Allow calendar creation by locale
adding plugins
updating plugin versions
adding step on etc/releasing.txt
updating en pages
Prettify error messages
Adding docs PT
Removing method name from bean validation
Fixing typo
Adding EL RI to using in tests
Improving equality to SimpleMessage
Improving code
Moving internal class to the right place
Fixing calendar compare
Merge pull request #479 from garcia-jj/ot-calendarbylocale

Allow calendar creation by locale
License on files
License on test files
Fixing duplicated license
Merge pull request #496 from garcia-jj/ot-fileslicense

License on files
Merge pull request #490 from caelum/addingMorePlugins

adding more plugins on vraptor-site docs. Closes #482