IPHONEAPP-586
IPHONEAPP-586

Add header guards (just in case) and change the default log level to silent.

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