Renamed "build_iphone" to "build_ios".

git-svn-id: http://svn.purei.org/codegen/trunk@154 15a10f38-2c35-455d-a993-f4d4bf960095
Minor cleanup.

git-svn-id: http://svn.purei.org/codegen/trunk@155 15a10f38-2c35-455d-a993-f4d4bf960095