Added OSX DFU binaries and changed the OSX maple-upload script to use them. (This saves users having to install dfu-util themselves, e.g. via Homebrew

Author: synergie7

tools/macosx/dfu-util/dfu-prefix

@@ -39,7 +39,8 @@ else
     dfuse_addr=""
 fi
 
-DFU_UTIL=/usr/local/bin/dfu-util
+#DFU_UTIL=/usr/local/bin/dfu-util
+DFU_UTIL=${DIR}/dfu-util/dfu-util
 if [ ! -x ${DFU_UTIL} ]; then
     DFU_UTIL=/opt/local/bin/dfu-util
 fi