256 byte max size is outdated for iOS7

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Push.payload() with a payload larger than 256b
2.
3.

What is the expected output? What do you see instead?
Payload should be pushed to APNS, instead PayloadMaxSizeExceededException is 
thrown

What version of the product are you using? On what operating system?
2.2.1 mac OSX 10.9.5

Please provide any additional information below.
New iOS7 payload limit is 2KB

Original issue reported on code.google.com by Ion...@gmail.com on 29 Apr 2015 at 2:34

[GoogleCodeExporter]

This is fixed in my fork! https://github.com/fernandospr/javapns-jdk16

Original comment by fernando...@gmail.com on 14 Aug 2015 at 1:01