FIX: hf mf eload - now supports specifying 0,1,2,4 in card memory for the file to...

FIX: hf mf esave - now supports specifying  0,1,2,4 in card memory for the file to be saved.
ADD: data.h -  added FILE_PATH_SIZE constant
ADD: hf legic load - a command help and checks for FILE_PATH_SIZE
ADD: hf legis save - now checks for FILE_PATH_SIZE
ADD: lf hitag - now checks for FILE_PATH_SIZE
ADD: util.c - AddLogLine now checks for FILE_PATH_SIZE
ADD: data load / save  - now checks for FILE_PATH_SIZE
FIX: ui.c - added a case of closing a filehandle
FIX: hf mf cload / csave now checks for FILE_PATH_SIZE
FIX: armsrc/mifarecmd.c - adjusted the buffersize in MifareEMemget from 48 to USB_CMD_DATA_SIZE