Added 'Enable file system folders in Sources Panel' to README. Context: http://remysharp.com/2013/07/18/my-workflow-v3-full-coding-stack.
Added 'Enable file system folders in Sources Panel' to README. Context: http://remysharp.com/2013/07/18/my-workflow-v3-full-coding-stack.

stevenqzhang/osx,empty23/osx,masterots/osx_setup,empty23/osx,BecomingCoder/osx