1. Added number portability support. 2. Added diversion header support.
Merged branch 3.5 changes r504:509 into trunk.
Prepared for version 3.5.3.
Version 3.5.2
Updated release notes.
Added test cases in list.
Changed statistics reporting.
Merged branch 3.5 changes r492:503 into trunk.
Prepared for version 3.5.2.
Version 3.5.1