Added request creation and processing to role.py.
This is used if you want to request to become a certain role for a group. For instance becoming a club member.
The process request view will also be used to cancel outstanding invites might this be necessary.
Patch by: Lennard de Rijk
Reviewed by: to-be-reviewed
include AUTHORS
include INSTALL
include LICENSE
recursive-include docs *
recursive-include scripts *
recursive-include django/conf/locale *
recursive-include django/contrib/admin/templates *
recursive-include django/contrib/admin/media *
recursive-include django/contrib/comments/templates *
recursive-include django/contrib/sitemaps/templates *