added separate ios/osx Xcode project generation

added ios/osx bundle resource loading
added info.plist for iOS Xcode examples
Xcode now uses only Universal target ( should use 'Standard' as it is default in Xcode projects - this will require modification of genie)

scripts/example-common.lua

@@ -34,10 +34,6 @@ project ("example-common")
 			"$(DXSDK_DIR)/include",
 		}
 
-	configuration { "xcode4" }
-		includedirs {
-			BX_DIR .. "include/compat/osx",
-		}
 
 	configuration { "winphone8*"}
 		linkoptions {