WIP mediacore
refactor mediacore into its own module and add rest endpoint
publish media and sign embed url
fix log name
allow express to accept POSTs up to the limit we set in nginx
remove unused video thumbnail sizes
external previews
store mediacoreId to content revision mapping
add callback endpoint for mediacore thumbnails
use more appropriate mediacore thumbnail sizes
use browser locale when creating users if it's not overridden in the request
(MediaCore Review) Review followup, unit tests, added support for audio
Merge branch 'master' into mediacore
(MediaCore Review) Self-review. Lock down global admin config for mediacore items for now
(MediaCore Review) Use revision data instead of content data for upload file
handle browser locale parsing with locale module
really delay registering routes until server is ready
(MediaCore Review) Self-review, intermittent test failure fix
add locale to request context and set it for anon
consolidate telemetry calls to server.js