rename modeladmin to model_admin fixes #91
Add warning message to email
Fixing issue that permissions cannot be hyperlinked from users and group API resource.
Add warning message to email
More README work
Merge remote-tracking branch 'upstream/master' into rename-modeladmin-model_admin

Conflicts:
	djadmin2/core.py
	djadmin2/templates/admin2/bootstrap/index.html
	djadmin2/views.py
Adding smoke tests for User and Group API resources.
Merge pull request #102 from gregmuellegger/rest-api

Rest api fixes
Merge pull request #97 from RaphaelKimmig/rename-modeladmin-model_admin

rename modeladmin to model_admin fixes #91