Certs - bugfix cert_whitelist output

* output after cert_whitelist -a or -d purported to be the whitelist entries
  for the requested course, but in fact were all of the entries in every
  course. This commit fixes that.
Eliminate unused import and gratuitous prints
i18n Sequence XModule

LMS-1758
pep8 cleanup
Merge pull request #2296 from edx/cdodge/pep8-fix

pep8 cleanup
Removed French and Korean locales until we add the translation strings
New Discussion forum documentation
Merge pull request #2297 from edx/ahodges-documentation-discussions

Ahodges documentation discussions
Merge pull request #2298 from edx/will/remove-other-locales

Removed French and Korean locales until we add the translation strings
Collect coverage for bok-choy tests
Merge pull request #2290 from edx/jrbl/mdx_stop_printing

Eliminate unused import and gratuitous prints
Merge pull request #2227 from edx/jrbl/fix_cert_whitelist_report

Certs - bugfix cert_whitelist output
Merge pull request #2295 from edx/sarina/i19-xmodules

i18n Sequence XModule
Merge pull request #2301 from edx/will/bok-choy-coverage

Collect coverage for bok-choy tests
BLD-699: Fix i18n.
Merge pull request #2243 from edx/anton/video-i18n

Internationalize the video player.
annotation tools
First set of fixes from the pull request

This does not include some of the testing files. The textannotation and
videoannotation test files are not ready. waiting for an answer on the
issue.
Deleted token line in api.py and added test for token generator
Added notes_spec.coffee