Some fixes to do a best search in discipline combobox
Fix bug when removing discipline from the list of selected disciplines
Merge branch 'hotfix/0.5.1'
Merge branch 'master' of github.com:matrufsc2/frontend into hotfix/0.5.2
Some various optimizations on the cache module
Added creation of little indexes to the searchable decorator
Install AppStats WSGI Middleware only on development
Merge branch 'hotfix/0.5.2'