added helper classes to test javaapns offline from apple push services
added feedback server returns
added exception to method signature
missed catch block
added build for server sockets
handle multiple requests from a single socket
output needs to be buffered
Merge pull request #95 from karldmoore/master

Performance testing java-apns
Changelog updates
Remove unintended "java2d" import
ApnsConnectionImpl.testConnection() should use the configured proxy and logging delegate.
Merge pull request #103 from nickseibert/master

testConnection() change.