Add regenerate.sh script.
Update requirements.
Updating initial user password
Smallfix: Fixed the fixture, added a ,
Smallfix: Set user token not unique
Decoupling points
Fixing sample data
Adding US points to django admin
Updating project role points when create/edit/delete memberships
Now user_story field on task is nullable.
Comment some milestone methods.
Add notifications module (not finished)
Smallfix: Send print message to sys.stderr
Add notifications module (not finished)
Smallfix: Send more print message to sys.stderr
Smallfix: Fixed minor syntax error
Merge branch 'notifications' of github.com:kaleidos/greenmine-back into notifications

Conflicts:
	greenmine/base/models.py
	greenmine/scrum/models.py
Made a refactor of the notifications app