Initial unfinished commit - doesn't repond to resize or handle inline
editors yet
Removed all references to CodeHintManager from Editor
Fixes after review
Merge remote-tracking branch 'origin/master' into pflynn/find-tickmarks
Factor search tickmarking more cleanly. Disable in inline editors. Fix
tickmark positioning on Mac.

One item still TBD: what to do when window resizes.
Merge remote-tracking branch 'upstream/master' into Issue-1617

Conflicts:
	src/editor/CodeHintManager.js
Fix for a module not loaded issue
Clean up _getFileExtension() method and fix all its callers
fixed unnecessary escaping
+fixes
getLastIndexOf > lastIndexOf
- unnecessary var decl
Made matching braces more visible.
update web platform docs to include CSS region properties
Fixes the modal backdrop
Fixed conflict.
Made changes based on NJ's feedback.
Merge branch 'master' of https://github.com/adobe/brackets into larz/matching-braces-color
Tweaked matching brackets color.
Cleaned up whitespace.