Comments for EditProblemController.
Adding test for edit problem controller

interface and path selection covered so far
Add delay to mock responses
EditProblemController send urlencoded data

instead of json.
Add test for EditProblemController scope.getLevels
adds test for new level form
Adds test for problem edit ctrl's scope.getProblems
Fix move up/down methods and add tests
Revert delay added to mock response
Adds test for getProblemDetails in problem edit ctrl
Adds test for problem test runs
Fix saving problem changes
Add test to problem edit saving
Show progress of requests in edit problem form
Merge pull request #28 from dinoboff/edit-problem

EditProblemController send urlencoded data