Merge branch 'release/0.5.0' in master
Merge commit 'b011d22' -> 0.5.1 release
Merge tag 'agorava-parent-0.5.2'

[maven-release-plugin]  copy for tag agorava-parent-0.5.2
updating poms for 0.5.2.1 hotfix
Change release profile name and release property
to support convention and git-flow plugin
updating poms for 0.5.2.1 hotfix
updating poms for 0.5.2.1 hotfix
updating develop with hotfix versions to avoid merge conflicts
Merge branch 'hotfix/0.5.2.1' into develop