Fix notification problem
Add in and route control options
Fix defaults
Fix tests
Fix self assessment test
Change locators to a restful interface.

Don't use ; @ and # as separators.
Address review comments
Change course create form to synchronous validation.
remove unused code from xml_import.py
remove 'preview' from urls in enrollment emails sent while previewing a course
Allow version ID to appear after course ID.

cleanup
add changelog information on two features being deployed
add beta dash to changelog
Add an entry to the CHANGELOG for #512
fix password reset templates
Correct non-unique course validation; code cleanup; better error style.
put wiki templates back into Django templating
add settings.PLATFORM_NAME to password_reset_confirm context
Fix error when there is an invalid YouTube property in a video module
Cleanup some xmodule tests imports and data directory location