Redirect back to the student interface after requesting a test run
Create action to run student tests on request
Create route for AutomatedTestController#request_test_run action
Link 'run tests' UI button to the request_test_run action
Always redirect back to the student interface after requesting a test
Merge pull request #17 from JeremyMerkur/ATE-issue-4

Fix for Issue-4: Refreshing page after test run schedules another test run