Transpile ES6 even without node, just using rubyracer
Proof of concept: Load controller via ES6 module in Discourse
ES6: `AvatarSelector` and `HeaderController` - also includes support for controllers with
camelcase via an error message.
ES6: Uses proper `normalize` method, includes support for namespaced
controllers.
ES6: Half a dozen more controllers converted
ES6: More controllers converted to ES6
ES6: A bunch more controllers
ES6: More controllers
Remove unused stuff.
Should not use the module transpiler gem
Revert "Should not use the module transpiler gem"

This reverts commit 7ea427a4c66ad860b85ab467813173bcbbcd77ea.
Try again to remove gem
FIX: Upgrade Onebox to get more amazon URLs and youtube 500 error fix
FIX: Missing close paren
FIX: Some extra safety - in the case that an imported post was deleted,
don't error out of the PollFeed job
FIX: Even more safety, the topic must exist as well.
FIX: Robin is fired for the typo
Speech bubble waiting for an ajax response prior to rendering
One more line for more space in new version email
FEATURE: backend for inviting a user to a group