warnnings fixed (umbrella header doesn't include header files)
warnnings fixed (umbrella header doesn't include header files)

mobfox/MobFox-iOS-SDK,mobfox/MobFox-iOS-SDK-Core-Lib,mobfox/MobFox-iOS-SDK-Core-Lib,mobfox/MobFox-iOS-SDK-Core-Lib,mobfox/MobFox-iOS-SDK,mobfox/MobFox-iOS-SDK,mobfox/MobFox-iOS-SDK-Core-Lib,mobfox/MobFox-iOS-SDK-Core-Lib,mobfox/MobFox-iOS-SDK,mobfox/MobFox-iOS-SDK,mobfox/MobFox-iOS-SDK-Core-Lib