Added several methods to the Task Logic module.
These include the automatic tranistion methods. The methods for running updates , that for instance place comments, in a datastore transition to keep the Task synced with the comments. And a rudimentary way of updating the Tasks' history.
Reviewed by: Lennard de Rijk
"Decorator for views that gzips pages if the client supports it."
from django.utils.decorators import decorator_from_middleware
from django.middleware.gzip import GZipMiddleware
gzip_page = decorator_from_middleware(GZipMiddleware)