Updating Annotator CSS

The change in the css keeps fonts as they were and does not change them
purely based on annotating a section.
Merge pull request #2333 from lduarte1991/master

Updating Annotator CSS
Notify instructors that static pages are  public
Fix for BLD-708: Firefox YouTube video start time.

In Firefox YouTube video with start time plays from 00:00:00.
The reason was that seekTo() could not start playing a video from
a point that hasn't been buffered yet. Why this started happening
just now, really is hard to explain.

BLD-708.
Fixed self assessment deadlines don't apply to the submission of the rubric.
ORA-202
Really large posts to ORA like peer grading feedback fixed.
ORA-201
Flash of text appears when instructor goes to staff grading fixed.
ORA-249
Merge pull request #2316 from edx/valera/fix_firefox_youtube_start_time

Fix for BLD-708: Firefox YouTube video start time.
Merge pull request #2059 from edx/waheed/ora202-self-assessment-deadlines-not-apply-on-rubrics

Fixed self assessment deadlines don't apply to the submission of the rubric
Merge pull request #2228 from edx/waheed/ora201-large-posts-to-ora-like-peer-grading-feedback

Really large posts to ORA like peer grading feedback fixed.
Merge pull request #2192 from edx/waheed/ora249-flash-of-text-on-staff-grading

Flash of text appears when instructor goes to staff grading fixed.
If unable to send submission/feedback to xqueue return an error instead of silently failing.
ORA-197
For multistep openended problems after moving to a openendedmodule step keep trying to resend submission to grader until it succeeds.
ORA-197
If unable to send submission to grader store it instead.
ORA-197
Refactored tests so that individual fields in the body arg are checked and not the whole serialized body.
ORA-197
Fix image link and Zooming Image text
Merge pull request #2148 from edx/usman/ora197-error-on-xqueue-down

If unable to send submission/feedback to xqueue return an error instead of silently failing
Cache course location translations
Create local memory caching entry for location mapping.
Merge pull request #2336 from edx/sylvia/documentation/DOC-corrections

Fix image link and Zooming Image text