when building ios projects using projectGenerator, the project schemes are incorrect.
there is a mac osx scheme which shouldn't be there.
the correct ios scheme is there but named incorrectly to iPhoneEmptyExample - should be the example project name.
fixes to ofxiPhone to use ios for all libs. #ifdef for 4.3 SDK to mak…
…e backwards compatible. Closes #1179 Closes #1087 Closes #1086 Closes #1088