Implement working TestResource API endpoint.
Start and stop templates for Student Tests.
Interim commit for TestModel changes.
Merge branch 'backbone' of https://github.com/jamalex/ka-lite into backbone
Implement first pass of TestLogModel.
Add seedrandom.js
Merge branch 'backbone' of https://github.com/jamalex/ka-lite into backbone

Conflicts:
	kalite/distributed/static/js/distributed/exercises.js
Merge branch 'backbone' of https://github.com/jamalex/ka-lite into backbone
Fix Test API Resource and TestLog.
Set up student testing template to use Backbone Models.
Fix student test view to pass test_title argument to client side.
Implement slightly broken student testing client side code.
Merge branch 'backbone' of https://github.com/rtibbles/ka-lite into backbone