Removed all references to CodeHintManager from Editor
Fixes after review
Merge remote-tracking branch 'upstream/master' into Issue-1617

Conflicts:
	src/editor/CodeHintManager.js
Fix for a module not loaded issue
Start sketching out FileSystem
Add FileIndex
Move files to new filesystem folder
Add FileSystemEntry, File, and Directory classes.
Get basic file reading and writing working
Add Directory implementation. Make more stuff work.
Set indexing when root path is set.
Cache file contents. Hook up Find in Files.
Add file open dialogs and hook them up.
Migrate brackets.js from NativeFileSystem to FileSystem
Reorganize impl files
Getting started with directory watchers.
Initial integration into core.
Dropbox hack for demo purposes...
Back to 100 find in files results.
Delete file/folder from project tree.