 Made fixes to example app
 Made fixes to example app

- renamed functions
- replaced `Boolean` with `BOOL`
- deleted unecessary method

kshala-ford/sdl_ios,smartdevicelink/sdl_ios,kshala-ford/sdl_ios,APCVSRepo/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,smartdevicelink/sdl_ios,kshala-ford/sdl_ios,kshala-ford/sdl_ios,smartdevicelink/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,kshala-ford/sdl_ios,APCVSRepo/sdl_ios,APCVSRepo/sdl_ios