added validation for tags list and disabled save button after click
add toolbar button events
patch action returns now changed/added elements
Merge branch 'develop' of git://github.com/sulu-cmf/SuluTagBundle into bugfix/tags-patch
set validation to false
added constraint violation exception adjusted tests
replaced listtoolbar with default changed validation requirements for list
merged with develop - fixed test
formatted code
Merge pull request #9 from sulu-cmf/bugfix/tags-patch

Bugfix/tags patch