treatment control panel, modules sdk integration, treatment model, etc.
renamed admin.html to control_panel.html; updated urls; added update method to model.
Merge branch 'develop' into feature/modules_integration

Conflicts:
	ab_testing_tool/urls.py
	ab_testing_tool/views.py
Merge branch 'feature/modules_integration' of github.com:penzance/ab-testing-tool into feature/modules_integration

Conflicts:
	ab_testing_tool/urls.py
Merge pull request #2 from penzance/feature/modules_integration

treatment control panel, modules sdk integration, treatment model, etc.