Fix wiki search query
and formatting error in a doc file.
Merge pull request #4063 from edx/dhm/mongo_tweaks

Fix wiki search query
Fix Transifex configuration so we can merge translations
Add Chinese (Hong Kong) language
Fix failing test and update docstrings for video player

Fixes BLD-1115
Merge pull request #4055 from edx/sarina/fix-underscore-resource

Sarina/fix underscore resource
Merge pull request #4074 from edx/alex/fix_video_saved_editor

Fix failing test and update documentation of video player
Ignore *.css.map files
Merge pull request #4076 from edx/sarina/ignore-maps

Ignore *.css.map files
Early draft of the new dashboard page.
Show a loading indicator while loading dashboard.
breadcrumb pattern - used on new dashboard
Add breadcrumbs and handling of display names
Add usage counts to the dashboard home
Many small improvements

 - Fixed edit and delete buttons
 - Improved styling
 - Only show components that can be added to the course
 - Added "Publishing Status" column