add scroll to top on vertical view change
add jasmine test for scroll to top
Consider redirect code as succcesful
Link to How To Contribute wiki page

Created a CONTRIBUTING.rst which GitHub will pick up and included a
link to the How To Contribute wiki page there. Also added the same link
to the README in the "How To Contribute" section.
Moved to a more comprehensive contributing doc.

Based on the How To Contribute wiki page (and switched to markdown so
it's a simple copy-paste).
Link to wiki with absolute URLs
Added linebreaks.
Properly handle error responses
Prompt before leaving page
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