This restores the intended behavior of what once was brackets.ready.
It could therefore be considered a fix for #1526, but please note the comments there.
Bugfix: run AppInit._dispatchReady AFTER loading the extensions, as i…
Yikes. Thanks for catching that. Merging.
To clarify the situation with #1526 (per Dennis's notes there): APP_READY is still not guaranteed to fire after the initial document is loaded. It was a race condition before, and remains a race condition after this patch -- it's now somewhat more likely that APP_READY happens second, but depending on timing sometimes it could still come first.