adds prototypes for list delete, with error messages and confirmations
Update project level urls to have a prefix of 'ab-testing/'.  This is necessary for auto deployable projects.
Make admins setting an empty tuple for now (was NONE in secure.py anyways).
Update static url to match project url prefix.  Comment out reference to static directory under STATICFILES_DIRS setting.  Update application urls to be /lti
Update supervisor con template to pull first from django_settings variable.
Add gunicorn to requirements files for test, qa, and prod
implements backend hooks for experiment deletion
adds comment
Configure use of AWS redis backend for caching.  Add required libraries to base requirements.  Move ssl forward header into base settings.  Configure test environment to use redis backend cache.
Add file logging to test environment.
Add console logger and make sure logging to both console and log file for test.
Add gunicorn to installed_apps list in test.
Add file logging and redis cache for qa environment.
Merge branch 'master' into feature/new_interface_integration_part8

Conflicts:
	ab_tool/static/ab_tool/js/experiment.js
Merge branch 'develop' into feature/autodeploy_testing
removes unneeded views, templates, and associated unused urls, static files, and tests
Merge pull request #89 from penzance/feature/cleanup

Feature/cleanup
adds missing requirement
missing space
Merge branch 'develop' into feature/autodeploy_testing