firmware/third_party/Microchip Libraries for Applications v2013-06-15 : Original Microchip version

cf. http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=2680&dDocName=en547784
firmware/third_party/Microchip Libraries for Applications v2013-06-15/ : Switch over to MPLAB XC

cf. http://www.microchip.com/forums/m679588-print.aspx
firmware/ : Initial revision

firmware/src/ : Initial revision from Esrille Inc.
firmware/third_party/Microchip Libraries for Applications v2013-06-15/ : Customize to Esrille New Keyboard