- check for known script type instead of ignoring js and perl

Added starting_index conf to AssignmentFormatGrader.

Added starting_index conf to AssignmentFormatGrader. Added a bit of forwards compatibility for new grading policies.

added ie warning banner to courseware; displayed by ie conditional style...

Set git push.default to current on the create-dev-env script

Fix error when creating empty associations

move output right/wrong image to top left of each test instead of center

Also renamed some variables to make them more distinguishable

Use django cache for OpenID provider store

changed vote button icon display mode to fight zoom bugs

added google analytics to all pages without a course object

Fix create-dev-env script for Mac OS 10.8 and latest stable rvm

Add support for video download link

Replaced the previous method of getting it from HTTP_POST to use
django's mechanism, which may or may not use HTTP_HOST. However if an
attacker changes the request header, there is not much he can do since
he cannot recreate the association nonce.

Now when you hit the TAB key in codemirror, it will insert 4 spaces.

Firefox bug fix

Add styling for code grader responses

Make collapsibles not collapse the entire page

- need to set text of the link, not the document
- there was something funny with the operator precedence in the ternary operator (was getting 'true', instead of a string)

Kimth/js refactor

fix a bug: can_load() should check for the 'load' permission.