Optimize Course Catalog using CourseOverview

ziafazal/SOL-1375: Create course to org link at the time of course creation

Update Financial Aid copy.

added unit tests and fixed JS tests

added bok choy tests

fixed broken botchoy tests

fixed course discovery broken test

removed monkey patch at class level

changes after feedback from matte

asadiqbal08/SOL-1455: UI Enhancements

use users anonymous id for subject field in JWT

Make xblock-activetable available on edx.org.

Merge down patch-2015-12-10

Also remove its corresponding ACCESS_REQUIRE_STAFF_FOR_COURSE feature
flag.

Added the following fields to CourseOverview:
    announcement
    catalog_visibility
    course_video_url
    effort
    short_description

Now requires CourseOverview models for each course in the system:
    Introduced a CourseOverviewGeneratedHistory model to keep track of
    when the CourseOverview table was seeded. The seeding can be
    done preemptively by calling the generate_course_overview management
    command. Otherwise, it is lazily computed, when needed.

Remove staff debug category type whitelist.

Patch/2015 12 10

Real-time conversation is on Slack, not IRC

Remove unused filter field from Randomized Content Block edit form.

Removed user_id parameter from grade event

Disable Legacy Dash by default

Hotfix 2015-12-09a and Hotfix 2015-12-09b

Enrollment API determines best default enrollment if none passed

Made CCX schedule configuration sync with studio (Date time management).

saleem-latif/SOL-1418: Revised Generate Certificates Section and added Certificate Generation UI

Add xblock-vectordraw to requirements.

Fix the delete course management command.

Modify test to be more robust to WrongPageErrors.

Remove COURSEWARE_ENABLED flag

Make modifies_courseware robust to exceptions raised during tests