updated bottom space constraint from category to separator from -12 to 0
updated bottom space constraint from category to separator from -12 to 0

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