(sip) event stream for dashboard papers based on collaborators
Remove papers from dashboard when removed as collaborator
clean up
improve method signatures
Merge branch 'master' into new-paper-subscriptions
Do not pass unused litePaper attributes
Allow existing record to be deleted and re-added
Remove unneeded event stream name because of user channel addition
Syntax error in debug mode
Reset streams upon paper_role creates and destroys
Use dashboard serializer for updating when paper role is added
Merge branch 'master' into new-paper-subscriptions

Conflicts:
	app/assets/javascripts/models/lite_paper.js.coffee
Fix broken specs
Delete unnecessary commented code
Fixing a bad prior merge
Merge branch 'master' into new-paper-subscriptions
Update comment
Always merge model id to event stream
Raise exception if notifier_payload hash is not defined
Add unit test for adding collaborator