Makefile for iPhone

found on the web, see 
http://robertcarlsen.net/2009/03/16/openframeworks-iphone-586
http://robertcarlsen.net/2009/03/25/openframeworks-iphone-libs-593
http://4u.jeffcrouse.info/of/

-----------------------------------------------------------------------------

Run "make -f Makefile.iphone". 
This should build both the iPhone and iPhone Simulator libraries into the "Dist" folder. 
