Split out requirements that come from the local mitx repo and those that come from github, and upgrade the local requirements before running tests

Simple Pearson Testing

Add support for subtitle download link

Change AUTH_TOKENS index reference to a get so it doesn't explode the whole app if I did Puppet incorrectly.

Ugly, ugly hack needed so that Pearson can test something today, to be replaced by a real implementation later this week or early next.

Taking out MySQL-python for now because it requires mysql to be installed, so breaks updates on content folks' envs.

Re-add TestCenterUser along with a basic command to make an entry for a given user already in the system.

revert to using getElementsByClassName in .dialog b/c jQuery was

undefined on the content passed in & whole widget is disabled in ie8.

Feature/alex/doc

add doc file about use of mongo (by cms+lms)

merge to master

debug fns from per problem to part of courseware w/ context info passed
as parms. Known issues: ie8 complains that getlog is not defined if you
click on QA and does not show the debug info popup.

Remove openings from job page

Use one of our test courses when testing course permissions for the discussion client

Use one of our test courses when testing course permissions for the discussion client, because we now have course policy level overrides.

Fix a bug with pointer-tag detection on load