Update Makefile.win
(Windows Mingw) Make some dependencies optional by default
(Mingw Win32) Set HAVE_CG to 1 and HAVE_FREETYPE to 1 by default`
Remove type_is callback
Take out set_label callback
Remove list_clear/list_set_selection callbacks
Take out remaining callbacks in menu backend driver
Remove unused variable
(RGUI) Fix mouse scrolling
(RGUI) Fix two keyboard navigation bugs
(OSX PPC) Add include dir
Merge pull request #1207 from lakkatv/xmb

(RGUI) Fix mouse scrolling