add scroll to top on vertical view change
add jasmine test for scroll to top
Improve accessibility for forums post toolbar

Mark toolbar and buttons with appropriate ARIA roles, add them to the
tab order, and make the titles more screen-reader friendly.
Consider redirect code as succcesful
Properly handle error responses
Prompt before leaving page
Catch IOError and ignore if OS X companion file
Remove useless try-except clause
don't remove comments from xml module
Fix import errors with unicode filenames
Add tests for imports with unicode filenames
Fix unicode errors on exceptions and logging
Use upside-down english for unicode text
Remove unnecessary encode
Bump diff-cover version
Cleaner tests
Utility functions for finding courses by id
Added missing test in StaticImageBookTest
Add unicode handling to the signing and verifying logic
Merge pull request #1050 from edx/hotfix/2013-09-19

Hotfix/2013 09 19