case insensitive matches, middle matching, and use tern rawCompletions request
Merge remote-tracking branch 'upstream/tern-experiments' into tern-experiments

Conflicts:
	src/extensions/default/JavaScriptCodeHints/ScopeManager.js
change tern query not to sort or filter the results
use eztierney fork of tern.git
change tern submodule url from http:// to https://
merge in changes from eztierney/brackets
remove console.log
roll back tern submodule to avoid hang