WIP: ESGF Authentication
Merge branch 'devel-next' into devel-next-login
Done: authentication with User object

ToDo: authentication with ESGF via myproxy_logon, group access restriction
WIP: Group access restrictions in django
WIP: group access to datasets
Merge branch 'devel-next' into devel-next-login
WIP: User Authentication and group access restriction

Nearly done...This is before the first test on one of the dev nodes
Removed some unnecessary refs to paths unused
Added some code to ascertain the username from the url
Fixed bug in which empty group lists kill the application
Fix of set2 modification
Merge branch 'devel-next-login' of https://github.com/jfharney/DiagnosticsViewer into devel-next-login
Added getting a groups from ESGF method to datasets.py
Merge branch 'devel-next-login' of https://github.com/jfharney/DiagnosticsViewer into devel-next-login
Fixed call to ESGF service
Fix for getting esgf groups
Merge branch 'devel-next-login' of https://github.com/jfharney/DiagnosticsViewer into devel-next-login

Conflicts:
	django-app/uvcdat_live/exploratory_analysis/menuhelper/datasets.py
Cleanup of the dataset retrieval function
Added esgfFlag for debugging purposes
WIP: Synching Django user object with the new authentication system