Update setup.py

Make setup.py take into account the locale configuration.
Merge pull request #127 from artscoop/patch-1

Update setup.py to install locales
Merge pull request #139 from robbyt/master

fix south migration warnings
fixed app template path
adding missing action_object into action.html template
fixes #135
start of tox tests
missing runtests for tox testing
avoid re-contributing generic relation descriptor
fixes #117
typo. fixes #120
dropping actor signal args as it uses sender instead
fixes #126