Include GCDAsyncUdpSocket.h as the first order of business.
Merge pull request #134 from booleancandy/feature/GCDAsyncUdpSocket-includefix

Include GCDAsyncUdpSocket.h as the first order of business.
Merge pull request #129 from mgratzer/master

Fixes the iOS6 dispatch_get_current_queue() warnings in GCDAsyncUdpSocket.m
Merge branch 'master' of https://github.com/robbiehanson/CocoaAsyncSocket