#SFC-50  Refactored converting ObjectId to text and again to object
code clean
update
update
update .travis.yml
update .travis.yml
add django-debug-toolbar
Bug fixed: closing chat is caused athentication error if close had been run before starting new long polling
Added covarage badge to the dev branch
some tests added
some tests added
some tests added
some tests added
error 403 added
error 403 added
error 403 added
add csrf_exempt to chat view
Bug fixed: show local message data. Rollback count method for Chat model.
Moved chatToken from paramenter to header in the api request
Updated annotatons in js