Fix forums in IE9; apparently it's just very strict about the charset be...

Fix forums in IE9; apparently it's just very strict about the charset being a valid identifier. utf8 is not a valid identifier, utf-8 is.

Feature/arjun/minor style changes

Some 188-specific styling + default styling for static tabs

- apparently have to define functions before using them...

Add more info to debug view

Make static tab url pattern less greedy

add a debug_request view that prints the request.

* should fix links without trailing slash

Feature/bridger/course grading

removed line from optioninput field formatting

Better fix for trailing slash

New URLs require a trailing slash

Bug/tomg/collapsible hint

Feature/ibrahim/followed threads

Remove commented out block and pull some stuff into a function to load the first page of results for a thread query.

Conflicts:
	lms/djangoapps/django_comment_client/forum/views.py

Match custom static tabs after discussion URLs so that discussion can actually work.

Conflicts:
	lms/djangoapps/courseware/views.py

Feature/victor/static tabs