Set more environment variables on iOS
Oh wow. Directory support (and a few other environment vars) on mac os x!
helps if i don't say that Mac OS X is iOS...
create directories if they don't exist
yay for no garbage as the window title
first stab at doing Vsync
REmoved tick logging. AKUUpdate now always called before AKURender, rather than running off seperate loops, this removes stuttering and timing issues that were happening.
Added new MOAIParticlePexPlugin.loadFromString function for loading a pex particle from xml string rather than an xml file.
Merge commit '03b8ab67941c2552630a3110e33839693b5e8867' into sdl-host-controller

Conflicts:
	src/aku/AKU-iphone.mm
	xcode/libmoai/libmoai.xcodeproj/project.pbxproj