Added script for homebrew deployment setup

deploy/mac_create_dmg_shell.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+cp -r ../release/qgroundcontrol.app .
+
+
+cp -r ../files/audio qgroundcontrol.app/Contents/MacOs/.
+mkdir -p qgroundcontrol.app/Contents/Frameworks/
+mkdir -p qgroundcontrol.app/Contents/PlugIns/imageformats
+mkdir -p qgroundcontrol.app/Contents/PlugIns/codecs
+mkdir -p qgroundcontrol.app/Contents/PlugIns/accessible
+cp -r /usr/local/Cellar/qt/4.8.5/plugins/ qgroundcontrol.app/Contents/PlugIns/.
+# SDL is not copied by Qt - for whatever reason
+cp -r /Library/Frameworks/SDL.framework qgroundcontrol.app/Contents/Frameworks/.
+echo -e '\n\nStarting to create disk image. This may take a while..\n'
+macdeployqt qgroundcontrol.app -dmg
+rm -rf qgroundcontrol.app
+echo -e '\n\n QGroundControl .DMG file is now ready for publishing\n'