Add missing image file, correct typos

Add template for the zooming image in Studio.

Add the missing TextInput_MultipleAnswer.gif file. Correct
capitalization of another image file name so it'll appear in the docs.

Fix formatting problem in Working with Video Components

Update Text Input problem type: Multiple correct responses are now
possible

Updated Jenkins scripts

Stub Server Port Conflicts and Refactor

Refactored stub services for style and DRY

Added unit tests for stub implementations

Updated acceptance tests that depend on stubs.

Updated Studio acceptance tests to use YouTube stub server; fixed failing tests in devstack.

Fix typos in Announcement template.

Reformat xml_importer.py to be more readable

Jarv/readme installation

Markhoeber/documentation/analytics sprint 12

Studio doesn't do email changes, thus has no email reset template; thus, we must disable password/email-reset related tests when running with studio settings

wiki and user_id_map tables finalized

Several templates used a variable set by the user (the request host header).  This led to a vulnerability where an attacker could inject their domain name into these templates (i.e., activation emails).  This patch fixes this vulnerability.

LMS-532

Updates to video documentation

Updates to reflect new video component UI and uploading processes

Move default DOC_STORE_CONFIG to common

Video: Update behavior of start/end time fields.

Stop forcing video player’s speeds widget width

Workaround for "xhr.restore" failures.

Alex/lti fixes to release

Goncha/sass cache #os

BLD-564.

Make LTI module not send grade_back_url if has_score=False

Corrects a bug experienced with external auth enabled

FED Cleanup of Studio Outline page

To prevent Errno::ETXTBSY when executing sass command.