Don't force modulestore initialization when running lms manage.py, only when running via the wsgi file
add condition - log speed change / loading video
Addition of 3 TinyMCE plugins

The following plugins added to toolbar in Edit of Unit:
 - fontselect
 - forecolor
 - image
Remove unused massemail commands.
Add '' default to bodyclass in courseware templates

This prevents from having a 'None' CSS class in the <body> tag when no
css_class is defined for the course.
fix typo in the data docs readme file
Add Matt Bachmann to authors file
Remove warning about LTI not working in Preview mode
More fully integrate and test ssl external auth in CMS
Switched from symlink to rename of template
adding db overrides to aws_migrate.py
add message output to formulaequationinput.html (capa)
remove check for PASS
adding check back in
Don't show course start date if it hasn't been set.
If neither start nor advertised_start has been changed from default
don't show the course start date.

This allows us to accept course registrations for courses whose start
date is yet TBD.
add unit test for speed_change_video event
Allow multiple client-side runtimes on a single page

Make XBlock client-side runtimes proper classes, so that handlerUrl can
be defined in a per-runtime way, and we can have multiple runtimes on a
single page.

[LMS-1630][LMS-1421][LMS-1517]
check for None so an empty string is valid for a password
adding DB_MIGRATION_ENGINE and fixing defaults
fixing syntax