* Render and sanitize chat messages server-side. Closes#235
* Render content.md server-side and return it in the client config
* Remove showdown from web project
* Update api spec
* Move example user content file
* Spike: Ping YP service with instance details
* WIP: Add to the config to support YP
* Add YP response endpoint
* Handle YP errors. Use config. Off by default
* Show message about YP support on launch
* Add animated gif preview when generating thumb
* Increase quality of preview gif and only create it if YP is enabled
* Do not allow re-registration by clearing the key
* Make large and small logos actually structured
* Change log level
* Fix default YP service URL
* Point to default hostname
* Set default value for YP to false
* Transcoder updates for validator warnings (gop, max-bitrates) for #50
* Make the variant settings easier to set/read in code
* Update test to reflect update to transcoder
* Reduce the buffer to give it a little more room to improve the quality. It feels a bit crunched right now.
* Fix test due to changed bitrate buffer ratios
* Tweak buffer size one more time to get errors in the validator to zero
* Saw errors w/ different bitrates, so tweaking it again
