add validation tests for user
pulling down updates

Merge remote-tracking branch 'origin/master' into travis_fix
Add validation and association tests for:
-ticket model
-profession model
-professional model
-user model
Merge remote-tracking branch 'origin/master' into validation_association_test
Merge pull request #22 from bumblebees-2014/val_assoc_test2

Val assoc test2