fix warning message where it would display "ld: warning: ObjC object file (./build/iPhoneSimulator-7.0-Development/objs/init.o) was compiled for iOS Simulator, but linking for MacOSX"
fix warning message where it would display "ld: warning: ObjC object file (./build/iPhoneSimulator-7.0-Development/objs/init.o) was compiled for iOS Simulator, but linking for MacOSX"

use "-mios-simulator-version-min" instead of "-miphoneos-version-min"

katsuyoshi/RubyMotion,incbee/RubyMotion,hboon/RubyMotion,beni55/RubyMotion,HipByte/RubyMotion,incbee/RubyMotion,jjaffeux/RubyMotion,hboon/RubyMotion,jjaffeux/RubyMotion,hboon/RubyMotion,jjaffeux/RubyMotion,beni55/RubyMotion,beni55/RubyMotion,incbee/RubyMotion,katsuyoshi/RubyMotion,HipByte/RubyMotion,beni55/RubyMotion,katsuyoshi/RubyMotion,jjaffeux/RubyMotion,HipByte/RubyMotion,incbee/RubyMotion,katsuyoshi/RubyMotion