Add distributionManagement for BinTray (see #18)

Author: TobiX

pom.xml

@@ -67,6 +67,13 @@
     <system>travis-ci</system>
     <url>https://travis-ci.com/Inform-Software/sonar-groovy</url>
   </ciManagement>
+  <distributionManagement>
+    <repository>
+      <id>bintray-tobix-sonar-groovy</id>
+      <name>TobiX-sonar-groovy</name>
+      <url>https://api.bintray.com/maven/tobix/sonar-groovy/sonar-groovy/;publish=1</url>
+    </repository>
+  </distributionManagement>
 
   <properties>
     <sonar.version>7.8</sonar.version>