Last changes on manolo's branch

- A bunch of commits to update pom versions
- adding commit to explain a bit better the meaning of a dollar in animate keys
- Included patch of issue #170
- Included modified version of patch of issue #165
- Changed signature of utility method hasAttribute
- change scm references in poms
- Fix for issue 128
- Adding new utility function to JsUtils to call jsni functions without writing jsni