fixed admin bug 'unicode object has no attribute replace'
Pulled most recent changes. Formset can now save empty forms.
Merge branch 'absent-trainee-roster' of https://github.com/attendanceproject/djattendance into absent-trainee-roster
added permission decorator for absent trainee roster so only house coordinators will be able to access the form
added house coordinator as a boolean field in trainee class in accounts module
deleted related_name under acounts.profile in order for server to run
commit after merge
deleted house_coordinator field under trainee class because not needed. Permissions is given by group permissions.
cleaned up imports in absent_trainee_roster/admin.py and deleted unused code
In forms.py under AbsentTraineeForm: now checks and creates absent trainee profiles for trainees who are in the same house as the user.
added more documentation, added underscore to internal properties and descriptor for roster unicode
cleaned up imports in pdf.py
removed binary files and set name, user, and password to be blank in ap/settings/local.py
extracted some of the styles into abs_trn_roster.css
removed create_roster.html because not used.
cleaned up comments and removed simpletest
cleaned up imports in ap/absent_trainee_roster/views.py
_calculate_term returns value without initiating a variable
removed celery references in base.py