Updated documentations, npm / grunt / bower optional.
Update README.md

Fixed artifact version number
Merge pull request #2 from ptuomaal/master

Update README.md
updating poms for 3.3-SNAPSHOT development
updating poms for branch'release/3.2' with non-snapshot versions
Merge branch 'release/3.2'
updating develop poms to master versions to avoid merge conflicts
Merge branch 'master' into develop
Updating develop poms back to pre merge state