Additional logic to handle more course_image URL edge cases
This changes logic to allow more missed use cases of course_image to
work properly.  The cases are:

. XML courses with the course_image attribute set
. Mongo courses that are imported without a contentstore
. Mongo courses that have course_image set but don't have a content store

It also exports default images_static_course.jpg to
images/static_course.jpg to handle a use case where a course author
uploaded an image to the default location in studio without using the
studio interface for adding course images, they then export the course, and then
import it without a contentstore
put google analytics in quotation marks in linkedin email template
Rebalance CMS acceptance test shards
Add ability to deactivate GA snippet
removing larger size for CodeMirror for funky visual behavior on Checkbox problems in release
Fixed simple editor text showing in advanced editor.
Remove (Grade Me!) template until it can be productized.
add quotation mark to _dashboard_course_listing.html
Show same thing on dash for audit and honor code students.
Fix dashboard template around final grade status

* ae8847cd6e73 checked in buggy conditional in the dashboard templates
  that caused an empty 'details being wrapped up' box to display
  regardless of whether it was true.
* Simplify conditional so that we care only whether output of the view's
  _cert_info() says 'processing', which should be the value computed when
  either no cert status exists or when the certs are, in fact processing.

  This should mean that the "details being wrapped up" message is
  displayed when certs haven't run and the grade box is displayed the
  rest of the time.
Release Notes for 5-6-14

Doc-331
Disable a flaky ORA Javascript test.
BLD-1057: Fix Video player in FF.
Modified ssl certificate authentication to handle next redirection
Makes small changes in lms and cms both so that user's go to the
original page they intended to if they weren't already logged in
Fix infinite redirect loop on logout caused by django caching
Fix acceptance tests.
Modify paver run_all_servers to allow different settings for LMS and Studio.
Switch default instructor dashboard to new dash

LMS-1296
Add banners to the instructor dashboard

Notification banner to default dash to announce the change

Warning banner on legacy instruction dashboard to explain it has been deprecated

LMS-1296
Port spoc gradebook to new instructor dash

LMS-1296