Add bugsnag javascript tag
Add BugSnag keys to defaults
Separate BugSnag API keys
Add release stages to suppress dev and test errors
Move file location
Incorporate with existing error handling
Require BugSnag JavaScript on Ember pages
Shim Bugsnag.notify if API key is missing
Send message and stack to BugSnag
Stub out Bugsnag methods
Proxy errors through ErrorNotifier
Merge pull request #580 from Tahi-project/bugsnag_javascript

Add javascript error reporting