HTTP error codes
Clean up requests and handling of json data in get requests.
Fix client side tests accordingly.
Fix server side tests to match the way the client passes json in get requests.
Merge branch 'master' of git://github.com/FuegoFro/mongo-web-shell into http-errors

Conflicts:
	mongows/mws/views.py
	tests/test_views.py
Frontend uses HTTP error codes
Closes #145, closes #150
Merge pull request #152 from rcchan/http-errors

HTTP error codes
Closes #145, closes #150