deploy snapshots on master

.travis.yml

@@ -12,7 +12,8 @@ jobs:
       jdk: oraclejdk8
       after_success: mvn clean test jacoco:report coveralls:report
     - stage: Deploy
+      if: branch = master
       jdk: oraclejdk8
-      script: mvn clean deploy
+      script: mvn deploy -B --settings=.travis/settings.xml -DskipTests=true
       on:
         branch: master

.travis/settings.xml

@@ -0,0 +1,34 @@
+<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
+                      https://maven.apache.org/xsd/settings-1.0.0.xsd">
+
+    <servers>
+        <server>
+            <id>ossrh</id>
+            <username>${env.SONATYPE_USERNAME}</username>
+            <password>${env.SONATYPE_PASSWORD}</password>
+        </server>
+    </servers>
+
+    <profiles>
+        <profile>
+            <id>travis</id>
+            <activation>
+                <activeByDefault>true</activeByDefault>
+            </activation>
+            <properties>
+                <gpg.executable>gpg2</gpg.executable>
+                <gpg.passphrase>${env.GPG_PASSPHRASE}</gpg.passphrase>
+            </properties>
+        </profile>
+
+    </profiles>
+
+    <localRepository/>
+    <interactiveMode/>
+    <usePluginRegistry/>
+    <offline/>
+    <pluginGroups/>
+
+</settings>