Remove obsolete project settings (PREBINDING)
Explicitly include netinet header
Dispose of the SynthesizeSingleton dependency. See https://developer.apple.com/library/ios/documentation/Performance/Reference/GCD_libdispatch_Ref/Reference/reference.html#//apple_ref/c/func/dispatch_once
Resolve an issue with PRODUCT_NAME when building the static framework target
Remove unnecessary arch and adjust deployment target up from 3.1 to 4.
Refresh AsyncUdpSocket from https://github.com/robbiehanson/CocoaAsyncSocket/ (@5c28a2a23ab0ebf7fafbebe59e0f24de2f600177)
Don't log in production.
Expand the NTP hosts list.
Show iOS 4 minimum warning if built on earlier SDK.
Enable the pause/resume functionality.
Switch over to GCDAsyncUdpSocket.
Rely on the socket library for IP address lookups.
Use our own queue for NTP associations.
Fix an issue with lifecycle on NetAssociation.
Amended to hopefully address the following issues identified by tylerwhitedesign:

1. repeatingTimer is now consistently retained throughout.
2. Any adjustment of repeatingTimer is done on the main thread.
Merge pull request #6 from tyork/master

Fix crashes occurring when the app leaves/enters foreground