All uses of safe_exec need to get the correct random seed.
Whitelisted courses now run Python code outside the sandbox.
Move string fields, get rid of hard-coded list of booleans.
Add test for serialize/deserialize.
Additional test coverage.
Fix tests that vary urls.py

Create a mixin class that can be used for tests that customize urls.py
to force django to reload it, so that they don't break other tests.
Update version of xblock.
encoded URL to fix formating
Do a bundle install before trying to use rake, so that we have all the prerequisites when running tests
Seems like on chrome when cancel is hit in the file chooser, the 'changed' event is fired and startUpload() was being called. We need to check to see if the upload file is blank and - if so - just return immediately out of the function
Make video captions respect course author's setting.
Add acceptance test to ensure that show_captions has the right effect.
use better API
0;95;cRemove unnecessary boolean conversion.
make local variable
Adding a new env to handle escalating privileges to run db migrations.
Better error handling.
Reword acceptance test.
Fix broken lettuce tests
Merge pull request #135 from edx/zoldak/fix-lettuce-tests

Fix broken lettuce tests