Fixed broken tests for hint manager.

Modified navigation tests to use MixedModulestore
Updated factories to find editable modulestore

Updated test_submitting_problems

Updated test_tabs.py

Updated test_view_authentication

Updated test_views

Updated courseware/tests/tests.py

Updated test_masquerade

Updated test_module_render

Pylint fixes

Updated video and word cloud tests

Updated course wiki tests

Updated license and open_ended tests.
One open_ended test still failing due to Mako initialization issues

Updated staticbook

Updated django_comment_client tests

Updated instructor tests

Updated instructor task tests

Updated external_auth tests

Updated course_groups

Fixed various commenting things.

Removed an unused function in the crowdsourced module coffeescript.

Improved commenting in hint_manager.

Fixed pep and pylint violations.

Expanded test coverage a little.

Expanded tests of hint_manager.

Enabled the hint_manager by default in development environments.

Fixed broken tests.  Made the hint manager enabled in testing environments - this lets us test the hint manager.

Began enforcing one-vote-per-person.  This can be disabled with debug="True" in the <crowdsource_hinter> tag.

Started tests of the hint manager.

Fixed various commenting things.

Removed an unused function in the crowdsourced module coffeescript.

Improved commenting in hint_manager.

Fixed pep and pylint violations.

Expanded test coverage a little.

Expanded tests of hint_manager.

Enabled the hint_manager by default in development environments.

Fixed broken tests.  Made the hint manager enabled in testing environments - this lets us test the hint manager.

Began enforcing one-vote-per-person.  This can be disabled with debug="True" in the <crowdsource_hinter> tag.

Started tests of the hint manager.