Stop forcing video player’s speeds widget width

When translating the “Speed” label using a longer word, the speeds
button gets really ugly.  The dropdown and the button will not always
have equal widths, but it’s better than having the text overlap the
other buttons.
Wiki data update

Wiki data update
Fix for STUD-1011

Had to change conf.py setting to turn off smartypants formatting
Do not restore sinon global objects in afterEach.

STUD-1040
LTI additional Python tests. LTI must use HTTPS for lis_outcome_service_url.

BLD-564.
Fix lis_outcome_service_url sending.
Move default DOC_STORE_CONFIG to common
Add documentation.
Merge pull request #1979 from edx/alex/lti_fixes_to_release

Alex/lti fixes to release
Merge pull request #1951 from edx/christina/fix-xhr

Workaround for "xhr.restore" failures.
Merge pull request #1904 from tusbar/player-size

Stop forcing video player’s speeds widget width
BLD-506: Update behavior of start/end time fields.
Merge pull request #1873 from edx/anton/transcripts-start-end-time

Video: Update behavior of start/end time fields.
Merge pull request #1982 from edx/dhm/doc_store_config

Move default DOC_STORE_CONFIG to common
Updates to video documentation

Updates to reflect new video component UI and uploading processes
Merge pull request #1990 from edx/sylvia/documentation/video_documentation_updates

Updates to video documentation
Fixing email link injection bug

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
Edits to analytics changes

wiki and user_id_map tables finalized
Added flag for lms-specific functionality

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
Update README.md for install instructions