Analog stick and whammy still do not work for GH3 extension, frets, strum, and +/- work
some cleanup
Next commit will change the PadMapping gui to only show the controller mapping for the currently enabled extension
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3718 8ced0084-cf51-0410-be5f-012b33b47a6e