adjusted unit_spec.js to reflect new HTML structure, and corrected screenreader label for delete button

visual styling changes to components and static pages in order to use updated icon button styling for duplicate and delete actions

Fix video progress slider method.

Fix video code duplication.

rangeParams returned from getRangeParams() function is already
an object that contains the left and width properties. It can
be passed directly to the jQuery css() function.

In each Video JavaScript module, methods are either private,
or public. When a method is public, it is made available via
the state variable. It seems that a while ago one method
was made public, but throughout the code it is used as a private
method. This has been corrected.

Create mapping for previously unmapped locations in order to get

Implement a course outline REST API

Correct exception raising bug for non global staff accessing missing course git logs

Front-end work for duplicating components on the unit page.

Add additional logging for importing course from git

Allows students to download the transcript of the video without timecodes

Add a setup.py so we can import top-level directories.

Make test_validate into separate command-line script (i18n)

LMS-1963

STUD-1192

i18n: extract strings from underscore templates

JIRA: FOR-400

Fix forum buttons

Fix non-ascii course image names

STUD-1186

Remove authority name from url.

Upgrade mako

Valera/fix start time end time 2

BLD-529.

BLD-529.

BLD-529.

BLD-529.

Before this, the VCR showed total time as 00:00:00 for YouTube
videos just after page loaded. The correct total time is shown only
after the user clicks Play button.

BLD-529.

[LMS-2073]
[STUD-1197]