Fixed issue #114 - There are still iOS 6 dispatch_get_current_queue warnings in GCDAsyncUdpSocket.m

Used the same approach as in ef08e460756b391dd2fdd78d3133b1403f7671e1
Add TCP no delay option.
Use existing config and adjust style.
Use tabs instead of spaces.
Update comment.
Merge branch 'tcp-no-delay' of https://github.com/matthiasplappert/CocoaAsyncSocket
Merge branch 'master' of https://github.com/mgratzer/CocoaAsyncSocket