Fixed compilation os OS X after moving SDL windowing code to extern/sdl4ogre
Fix the initial player inventory being added twice when starting a new game
Fixed endless message loop after trying to resize window on OS X
GUI mode dependent position
Merge remote-tracking branch 'scrawl/master'
Merge remote-tracking branch 'swick/inventorypos'

Conflicts:
	apps/openmw/mwgui/inventorywindow.cpp
Merge remote-tracking branch 'corristo/master'