HID LED test tool

Last Revision:	Version 1.3, 2015-01-26 Removed config files and deprecated APIs; Fixed Analyzed bugs (memory leaks, retain/release errors, etc. Thanks clang!); (Full Revision History)
Build Requirements:	Xcode 5
Runtime Requirements:	Mac OS X 10.7

Sample code to show how to turn on/off LEDs on HID devices.