undefined on the content passed in & whole widget is disabled in ie8.

debug fns from per problem to part of courseware w/ context info passed
as parms. Known issues: ie8 complains that getlog is not defined if you
click on QA and does not show the debug info popup.

but doesn't try to manipulate it.

Add HD control to video player

Add google analytics to course info pages

Update Job Page with new positions

Allow optional advertised_start metadata in Course

Add MySQL-python to the requirements.

Allow optional advertised_start metadata in Course, to let people pre-launch thier courses quietly if desired.

Feature/victor/inputtypes refactor
- addressed comments and added a few TODOs.  Merging.

- all inputtypes should have id inputtype_${id}
- should have class capa_inputtype

- allows catching any exceptions and making sure the xml is in the error message
- isolates subclasses from external interface a bit

Remove non-working TrueFalse functionality from choicegroup, combine tests with radiogroup and checkboxgroup

Feature/arjun/allow save

Update startup script for 12.10 Ubuntu.

Added "quantal" to the list of known distribution names.

Improve fileinput message

Support for multiple rectangle hitboxes in imageresponse