diff --git a/.travis.settings.xml b/.travis.settings.xml
new file mode 100644
index 00000000..fd37913e
--- /dev/null
+++ b/.travis.settings.xml
@@ -0,0 +1,27 @@
+<!--
+  ~ Licensed to GraphHopper GmbH under one or more contributor
+  ~ license agreements. See the NOTICE file distributed with this work for
+  ~ additional information regarding copyright ownership.
+  ~
+  ~ GraphHopper GmbH licenses this file to you under the Apache License,
+  ~ Version 2.0 (the "License"); you may not use this file except in
+  ~ compliance with the License. You may obtain a copy of the License at
+  ~
+  ~       http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
+    <servers>
+        <server>
+            <id>packagecloud-graphhopper</id>
+            <password>${env.PACKAGECLOUD_TOKEN}</password>
+        </server>
+    </servers>
+</settings>
diff --git a/.travis.yml b/.travis.yml
index 2406cbd9..40e6f9fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,3 +4,20 @@ jdk:
   - oraclejdk7
   - oraclejdk8
 
+deploy:
+  provider: script
+  script: "cp .travis.settings.xml $HOME/.m2/settings.xml && mvn deploy"
+  skip_cleanup: true
+  on:
+    tags: true
+
+# do not install anything instead return true via unix command true
+install: true
+script: mvn clean test
+notifications:
+  email:
+    - github@graphhopper.com
+
+# enable container-based stack
+sudo: false
+
diff --git a/jsprit-core/src/main/java/com/graphhopper/jsprit/core/util/UnassignedJobReasonTracker.java b/jsprit-core/src/main/java/com/graphhopper/jsprit/core/util/UnassignedJobReasonTracker.java
index 0a999953..03bf7d1d 100644
--- a/jsprit-core/src/main/java/com/graphhopper/jsprit/core/util/UnassignedJobReasonTracker.java
+++ b/jsprit-core/src/main/java/com/graphhopper/jsprit/core/util/UnassignedJobReasonTracker.java
@@ -29,121 +29,9 @@ import java.util.*;
  */
 public class UnassignedJobReasonTracker implements JobUnassignedListener {
 
-    Map<String, Frequency> reasons = new HashMap<>();
-
-    Map<Integer, String> codesToReason = new HashMap<>();
-
-    Map<String, Integer> failedConstraintNamesToCode = new HashMap<>();
-
-    Set<String> constraintsToBeIgnored = new HashSet<>();
-
-    public UnassignedJobReasonTracker() {
-        codesToReason.put(1, "cannot serve required skill");
-        codesToReason.put(2, "cannot be visited within time window");
-        codesToReason.put(3, "does not fit into any vehicle due to capacity");
-        codesToReason.put(4, "cannot be assigned due to max distance constraint of vehicle");
-
-        failedConstraintNamesToCode.put("HardSkillConstraint", 1);
-        failedConstraintNamesToCode.put("VehicleDependentTimeWindowConstraints", 2);
-        failedConstraintNamesToCode.put("ServiceLoadRouteLevelConstraint", 3);
-        failedConstraintNamesToCode.put("PickupAndDeliverShipmentLoadActivityLevelConstraint", 3);
-        failedConstraintNamesToCode.put("ServiceLoadActivityLevelConstraint", 3);
-        failedConstraintNamesToCode.put("MaxDistanceConstraint", 4);
-    }
-
-    public void ignore(String simpleNameOfConstraint) {
-        constraintsToBeIgnored.add(simpleNameOfConstraint);
-    }
-
-    @Override
-    public void informJobUnassigned(Job unassigned, Collection<String> failedConstraintNames) {
-        if (!this.reasons.containsKey(unassigned.getId())) {
-            this.reasons.put(unassigned.getId(), new Frequency());
-        }
-        for (String r : failedConstraintNames) {
-            if (constraintsToBeIgnored.contains(r)) continue;
-            this.reasons.get(unassigned.getId()).addValue(r);
-        }
-    }
-
-    public void put(String simpleNameOfFailedConstraint, int code, String reason) {
-        if (code <= 20)
-            throw new IllegalArgumentException("first 20 codes are reserved internally. choose a code > 20");
-        codesToReason.put(code, reason);
-        if (failedConstraintNamesToCode.containsKey(simpleNameOfFailedConstraint)) {
-            throw new IllegalArgumentException(simpleNameOfFailedConstraint + " already assigned to code and reason");
-        } else failedConstraintNamesToCode.put(simpleNameOfFailedConstraint, code);
-    }
-
-    /**
-     * For each job id, it returns frequency distribution of failed constraints (simple name of constraint) in an unmodifiable map.
-     *
-     * @return
-     */
-    public Map<String, Frequency> getReasons() {
-        return Collections.unmodifiableMap(reasons);
-    }
-
-    /**
-     * Returns an unmodifiable map of codes and reason pairs.
-     *
-     * @return
-     */
-    public Map<Integer, String> getCodesToReason() {
-        return Collections.unmodifiableMap(codesToReason);
-    }
-
-    /**
-     * Returns an unmodifiable map of constraint names (simple name of constraint) and reason code pairs.
-     *
-     * @return
-     */
-    public Map<String, Integer> getFailedConstraintNamesToCode() {
-        return Collections.unmodifiableMap(failedConstraintNamesToCode);
-    }
-
-    /**
-     * Returns the most likely reason code i.e. the reason (failed constraint) being observed most often.
-     *
-     * 1 --> "cannot serve required skill
-     * 2 --> "cannot be visited within time window"
-     * 3 --> "does not fit into any vehicle due to capacity"
-     * 4 --> "cannot be assigned due to max distance constraint of vehicle"
-     *
-     * @param jobId
-     * @return
-     */
-    public int getMostLikelyReasonCode(String jobId) {
-        if (!this.reasons.containsKey(jobId)) return -1;
-        Frequency reasons = this.reasons.get(jobId);
-        String mostLikelyReason = getMostLikely(reasons);
-        return toCode(mostLikelyReason);
-    }
-
-    /**
-     * Returns the most likely reason i.e. the reason (failed constraint) being observed most often.
-     *
-     * @param jobId
-     * @return
-     */
-    public String getMostLikelyReason(String jobId) {
-        if (!this.reasons.containsKey(jobId)) return "no reason found";
-        Frequency reasons = this.reasons.get(jobId);
-        String mostLikelyReason = getMostLikely(reasons);
-        int code = toCode(mostLikelyReason);
-        if (code == -1) return mostLikelyReason;
-        else return codesToReason.get(code);
-    }
-
-    private int toCode(String mostLikelyReason) {
-        if (failedConstraintNamesToCode.containsKey(mostLikelyReason))
-            return failedConstraintNamesToCode.get(mostLikelyReason);
-        else return -1;
-    }
-
-    private String getMostLikely(Frequency reasons) {
-        if (reasons == null) return "no reason found";
-        Iterator<Map.Entry<Comparable<?>, Long>> entryIterator = reasons.entrySetIterator();
+    public static String getMostLikelyFailedConstraintName(Frequency failedConstraintNamesFrequency) {
+        if (failedConstraintNamesFrequency == null) return "no reason found";
+        Iterator<Map.Entry<Comparable<?>, Long>> entryIterator = failedConstraintNamesFrequency.entrySetIterator();
         int maxCount = 0;
         String mostLikely = null;
         while (entryIterator.hasNext()) {
@@ -156,5 +44,138 @@ public class UnassignedJobReasonTracker implements JobUnassignedListener {
         return mostLikely;
     }
 
+    Map<String, Frequency> failedConstraintNamesFrequencyMapping = new HashMap<>();
+
+    Map<Integer, String> codesToHumanReadableReason = new HashMap<>();
+
+    Map<String, Integer> failedConstraintNamesToCode = new HashMap<>();
+
+    Set<String> failedConstraintNamesToBeIgnored = new HashSet<>();
+
+    public UnassignedJobReasonTracker() {
+        codesToHumanReadableReason.put(1, "cannot serve required skill");
+        codesToHumanReadableReason.put(2, "cannot be visited within time window");
+        codesToHumanReadableReason.put(3, "does not fit into any vehicle due to capacity");
+        codesToHumanReadableReason.put(4, "cannot be assigned due to max distance constraint of vehicle");
+
+        failedConstraintNamesToCode.put("HardSkillConstraint", 1);
+        failedConstraintNamesToCode.put("VehicleDependentTimeWindowConstraints", 2);
+        failedConstraintNamesToCode.put("ServiceLoadRouteLevelConstraint", 3);
+        failedConstraintNamesToCode.put("PickupAndDeliverShipmentLoadActivityLevelConstraint", 3);
+        failedConstraintNamesToCode.put("ServiceLoadActivityLevelConstraint", 3);
+        failedConstraintNamesToCode.put("MaxDistanceConstraint", 4);
+    }
+
+    public void ignore(String simpleNameOfConstraint) {
+        failedConstraintNamesToBeIgnored.add(simpleNameOfConstraint);
+    }
+
+    @Override
+    public void informJobUnassigned(Job unassigned, Collection<String> failedConstraintNames) {
+        if (!this.failedConstraintNamesFrequencyMapping.containsKey(unassigned.getId())) {
+            this.failedConstraintNamesFrequencyMapping.put(unassigned.getId(), new Frequency());
+        }
+        for (String r : failedConstraintNames) {
+            if (failedConstraintNamesToBeIgnored.contains(r)) continue;
+            this.failedConstraintNamesFrequencyMapping.get(unassigned.getId()).addValue(r);
+        }
+    }
+
+    public void put(String simpleNameOfFailedConstraint, int code, String reason) {
+        if (code <= 20)
+            throw new IllegalArgumentException("first 20 codes are reserved internally. choose a code > 20");
+        codesToHumanReadableReason.put(code, reason);
+        if (failedConstraintNamesToCode.containsKey(simpleNameOfFailedConstraint)) {
+            throw new IllegalArgumentException(simpleNameOfFailedConstraint + " already assigned to code and reason");
+        } else failedConstraintNamesToCode.put(simpleNameOfFailedConstraint, code);
+    }
+
+    /**
+     * For each job id, it returns frequency distribution of failed constraints (simple name of constraint) in an unmodifiable map.
+     *
+     * @return
+     */
+    @Deprecated
+    public Map<String, Frequency> getReasons() {
+        return Collections.unmodifiableMap(failedConstraintNamesFrequencyMapping);
+    }
+
+    /**
+     * For each job id, it returns frequency distribution of failed constraints (simple name of constraint) in an unmodifiable map.
+     *
+     * @return
+     */
+    public Map<String, Frequency> getFailedConstraintNamesFrequencyMapping() {
+        return Collections.unmodifiableMap(failedConstraintNamesFrequencyMapping);
+    }
+
+    /**
+     * Returns an unmodifiable map of codes and reason pairs.
+     *
+     * @return
+     */
+    public Map<Integer, String> getCodesToReason() {
+        return Collections.unmodifiableMap(codesToHumanReadableReason);
+    }
+
+    /**
+     * Returns an unmodifiable map of constraint names (simple name of constraint) and reason code pairs.
+     *
+     * @return
+     */
+    public Map<String, Integer> getFailedConstraintNamesToCode() {
+        return Collections.unmodifiableMap(failedConstraintNamesToCode);
+    }
+
+    public int getCode(String failedConstraintName) {
+        return toCode(failedConstraintName);
+    }
+
+    public String getHumanReadableReason(int code) {
+        return getCodesToReason().get(code);
+    }
+
+    public String getHumanReadableReason(String failedConstraintName) {
+        return getCodesToReason().get(getCode(failedConstraintName));
+    }
+    /**
+     * Returns the most likely reason code i.e. the reason (failed constraint) being observed most often.
+     *
+     * 1 --> "cannot serve required skill
+     * 2 --> "cannot be visited within time window"
+     * 3 --> "does not fit into any vehicle due to capacity"
+     * 4 --> "cannot be assigned due to max distance constraint of vehicle"
+     *
+     * @param jobId
+     * @return
+     */
+    public int getMostLikelyReasonCode(String jobId) {
+        if (!this.failedConstraintNamesFrequencyMapping.containsKey(jobId)) return -1;
+        Frequency reasons = this.failedConstraintNamesFrequencyMapping.get(jobId);
+        String mostLikelyReason = getMostLikelyFailedConstraintName(reasons);
+        return toCode(mostLikelyReason);
+    }
+
+    /**
+     * Returns the most likely reason i.e. the reason (failed constraint) being observed most often.
+     *
+     * @param jobId
+     * @return
+     */
+    public String getMostLikelyReason(String jobId) {
+        if (!this.failedConstraintNamesFrequencyMapping.containsKey(jobId)) return "no reason found";
+        Frequency reasons = this.failedConstraintNamesFrequencyMapping.get(jobId);
+        String mostLikelyReason = getMostLikelyFailedConstraintName(reasons);
+        int code = toCode(mostLikelyReason);
+        if (code == -1) return mostLikelyReason;
+        else return codesToHumanReadableReason.get(code);
+    }
+
+    private int toCode(String mostLikelyReason) {
+        if (failedConstraintNamesToCode.containsKey(mostLikelyReason))
+            return failedConstraintNamesToCode.get(mostLikelyReason);
+        else return -1;
+    }
+
 
 }
diff --git a/pom.xml b/pom.xml
index 2a1147c0..7b669fe8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,6 +56,7 @@
         <tag>HEAD</tag>
     </scm>
 
+
     <issueManagement>
         <system>github</system>
         <url>https://github.com/graphhopper/jsprit/issues</url>
@@ -81,6 +82,15 @@
     </properties>
 
     <build>
+
+        <extensions>
+            <extension>
+                <groupId>io.packagecloud.maven.wagon</groupId>
+                <artifactId>maven-packagecloud-wagon</artifactId>
+                <version>0.0.4</version>
+            </extension>
+        </extensions>
+
         <sourceDirectory>src/main/java</sourceDirectory>
         <testSourceDirectory>src/test/java</testSourceDirectory>
         <directory>target</directory>
@@ -180,9 +190,13 @@
     </dependencies>
 
     <distributionManagement>
+        <repository>
+            <id>packagecloud-graphhopper</id>
+            <url>packagecloud+https://packagecloud.io/graphhopper/jsprit</url>
+        </repository>
         <snapshotRepository>
-            <id>ossrh</id>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+            <id>packagecloud-graphhopper</id>
+            <url>packagecloud+https://packagecloud.io/graphhopper/jsprit</url>
         </snapshotRepository>
     </distributionManagement>