fixes #26 datetime formats of datepicker and python datetime module same
fixes #27 added get_absolute_url methods to event and group
added cbv to event and group detail pages
update and create view changed to cbv, object permssion added via guardian
membership defined with M2M thorugh model, fixes #28 too
rsvp view working
changed membership model name
resolved pylint issues
Merge pull request #29 from agiliq/rsvp

Rsvp added, bug fixed and views changed to class-based views
Typo fix
added exception for .ds_store in gitignore
rsvp working with event detail view
rsvp delete feature added
unique column issue removed, one test removed, resolved pylint issues
Merge pull request #30 from agiliq/bugfixes

Rsvp delete feature added, resolved testing issues
added different forms for event update and create, add permissions to all organizers of event
now checks for permission when updating and deleting objects, remove orphaned permissions automatically
merged redundant templates, added new dateime picker
pylint issues fixed
group creators can add/remove organizers, delete events and group