[#30] Fixes a crash when calling setSeparatorInset: on iOS 6
[#30] Fixes a crash when calling setSeparatorInset: on iOS 6

smartcop/MIT-Mobile-for-iOS,xNUTs/MIT-Mobile-for-iOS,MIT-Mobile/MIT-Mobile-for-iOS,smartcop/MIT-Mobile-for-iOS,xNUTs/MIT-Mobile-for-iOS,MIT-Mobile/MIT-Mobile-for-iOS