Merge pull request #224 from Somesh/master

removed debug prints. added try except for task validation
Merge pull request #225 from Somesh/master

removed unwanted import
Merge pull request #226 from Somesh/master

Modified task status to Assigned from Pending and added condition to let...
Comment out debug prints
Fixes for assign flow in task
Filter out only the current user's assigned tasks in dashboard
Don't filter by current user by default for task list
Render user avatar for notifications
modified task handler for task delete