Merge pull request #1019 from nnuhanovic/patch-1

Add 'pom.xml.versionsBackup' to Maven template

Maven.gitignore

@@ -1,5 +1,6 @@
 target/
 pom.xml.tag
 pom.xml.releaseBackup
+pom.xml.versionsBackup
 pom.xml.next
 release.properties