iOS Fixes for #2469 and Device Definitions Update

- Updated Enums to be in correct oF Style.
- Updated Defines to be in correct oF Style.
- Enums now backwards supported for pre-0.8.
- Updated Device definitions with all released iOS Devices

Implemented above fixes as mentioned in #2469
Merge pull request #2872 from danoli3/iOSExtrasDefinitions

iOS Fixes for #2469 and Device Definitions Update