Merge pull request #1034 from edx/hotfix/lti_typo

Hotfix/lti typo
Fixing tests.

Turned off jQuery animations. Went through all of the XModule tests and
checked that all spying on window.setTimeout() function is done properly.
Simplify static page acceptance tests
Adding comments to Jasmine "Video FocusGrabber" tests.
Added script to install acceptance test requirements;
updated Vagrantfile

Added dbus-x11 requirement (for FF); increased VM memory

Updated ChromeDriver version
Merge pull request #830 from edx/jkarni/fix/unicode-import

Fix import errors with unicode filenames
Don't try to purchase the same order twice
changed li id to match conventions described by talbs
Merge pull request #911 from edx/valera/bugfix_access_to_hidden_controls

Valera/bugfix access to hidden controls
Teach rake to run all python tests as a group
Rename xblock_field_data to xmodule_field_data
Merge pull request #1037 from edx/rc/2013-09-18

Rc/2013 09 18
Merge branch 'release'

Conflicts:
	CHANGELOG.rst
Tabbing through captions works except for persistence of outline after mouse click
Tabbing through captions is completely functional.
Adressed pull request comments
Removed unnecessary event handler
Added comments
Moved css from js file to relevant scss file.
Added tests for tabbing through captions