Z-Push 2.4.0 final release

Hello, we have just released Z-Push 2.4.0 final (tag 2.4.0 commit 0dfcf19631619195702919b3b4d521fad12f3a88). Main feature of this version is the support of ActiveSync protocol version 14.1. This new ActiveSync version has features which are implemented as stubs, like...