Changing Student Anon ID Dump to return Course Specific IDs.
Merge pull request #3703 from edx/sanchez/course-anonymous-ids-in-csv

Changing Student Anon ID Dump to return Course Specific IDs.
Reformatted tables, copy edited, and proofread.
Merge pull request #3722 from edx/ahodges/documentation/DOC156

Ahodges/documentation/doc156
i18n: Make translation works for video editor tabs

Now the display_name & help strings in video editor tabs can be extracted and translated.