Bump to 3.3.0
adding custom actions to action_permission checks (Closes #146)
Allowing custom responses and redirects for permission failures (Closes #139)
Bugfix for self-relationships (Closes #142)
Some docs updates
Custom outputs on primary key columns messed up the clickItem (Closes #150)
Fixing columns issue for all relationships other than BelongsTo (Closes #151)
Add Brazillian Portuguese translations.
Merge pull request #155 from endel/language-pt-br

Add Brazillian Portuguese translations.
Adding updates for brazilian portuguese translation (#155)
Updating readme changelog to 3.3.0
Merge pull request #161 from FrozenNode/3.3.0

Merging 3.3.0 into master