Upgrade to PMD 6.13.0

Fixes #95

Author: adangel

ReleaseNotes.md

@@ -10,10 +10,14 @@ Eclipse Update Site:
 ## ????: 4.1.1.v????
 
 This is a bugfix release.
+### New and noteworthy
+
+*   Updated PMD to 6.13.0
 
 ### Fixed Issues
 
 *   [#94](https://github.com/pmd/pmd-eclipse-plugin/issues/94): Changing a project's PMD configuration no longer prompts for build
+*   [#95](https://github.com/pmd/pmd-eclipse-plugin/issues/95): Upgrade to PMD 6.13.0
 
 ## 07-March-2019: 4.1.0.v20190307-2036
 

pom.xml

@@ -16,7 +16,7 @@
   <properties>
     <tycho.version>1.3.0</tycho.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <pmd.version>6.12.0</pmd.version>
+    <pmd.version>6.13.0</pmd.version>
     <maven-antrun-plugin.version>1.8</maven-antrun-plugin.version>
     <pmd.build-tools.version>1.4.0</pmd.build-tools.version>
     <checkstyle.version>3.0.0</checkstyle.version>