Merge pull request #93 from karldmoore/master

Builder and Delegate changes
[maven-release-plugin] prepare release apns-0.2.0
[maven-release-plugin] prepare for next development iteration
Fix URL to CHANGELOG
change version again
[maven-release-plugin] prepare release apns-0.2.3
[maven-release-plugin] prepare for next development iteration
Merge pull request #96 from ngocdaothanh/master

Fix URL to CHANGELOG
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.
Correct README sample code.

Closes #111
Merge remote-tracking branch 'upstream/master'