[maven-release-plugin] prepare for next development iteration
DS-1123 Resurrected build.xml's help menu item 'clean_backups'
Issue fixed and tested
Merge pull request #200 from lyncode/DS-1507

Issue fixed and tested
DS-1540 : Fix .gitignore to only ignore custom *.properties in the root source folder.
Changing HSLIC URL.
Merge conflicts resolved.