make embargo template theme-able

Use "Stanford-style" theming to enable you to put your own embargo
notice up.
missing themed embargo page fails safely to unthemed
Updating ORA2 requirements for patch fix
Explicitly declare `tags` in dog stats increment calls
Fix source editor for the case of no CodeMirror editor.

In the HTML component, there is no longer a tabbed CodeMirror Editor. STUD-1516.
Use the correct response when using login.
Merge pull request #3253 from edx/sarina/fix-capa-calls

Explicitly declare `tags` in dog stats increment calls
Merge pull request #3244 from edx/christina/latex-bug-release

Fix source editor for the case of no CodeMirror editor.
Merge pull request #3256 from edx/diana/fix-grading-service-login

Return correct response when using _try_with_login
Revert "updated pdf viewer"

This reverts commit b0a7443570d929e705c295c1511f3188f4e41f69.
Revert refund instruction message
Merge pull request #3265 from edx/flowerhack/refund-message-patch

Revert refund instruction message
Fixed import of "dog_stats_api" in staff_grading_service.py.
LMS-2521
Merge pull request #3279 from edx/waheed/lms2521-staff-grading-panel-broken-fixed

Fixed import of "dog_stats_api" in staff_grading_service.py.
04/09/2014 Release Notes

DOC-249
This makes the metrics tab "bars" clickable.

  Clicking on any of the bars displays a list of students for that
  particular action (either opened the subsection or attempted the
  problem).
  Students are listed for the sub-sections.
  Students, grade and percent are listed for the problems.
  The on-screen list displays only the first 250 students with
  an overflow message if there are more students than that.
  The csv download lists all students.
Upgrade JSDraw.
HD control is hidden initially. On first play of video, when
player.getAvailableQualityLevels returns a non-empty array, it will eventually display, if HD qualities are available (highres, hd1080, hd720). [BLD-937]
Update translations (autogenerated message)
Merge pull request #3334 from edx/rc/2014-04-14

Rc/2014 04 14