Add bare controller
Add by-task-type results route, bare controller and bare view
Add results by task type controller routing test
Fix route; test for invalid task type in results by task type controller
Check for invalid test state
Test for incorrect website or incorrect state
Remove route task_type restriction, allow task type to have plus for space
Complete by task type header
Simplify route
Fix test
Specify sub-view by filter arg
Factor out controller checks for completed test to event listener
Don't use request listener to handle sub requests
Partially complete by-page html results
Remove cruft
Tidy up docblocks and class paths
Rudimentary by-error results (at least for html validation)
Make displaying the number of times a something occurred a common view
Remove cruft
Light styling of per-error listings