ContactSheetX v2.2 has been released can be found here: ps-scripts - Browse /ContactSheetX/v2.2 at SourceForge.net
This port is compatible with PS CS4 through CC2015. This includes the CC2015 port, bug fixes, and the addition of a several requested features.
If you find any problems or have any requests, post them here or email me at the address in the README file.
-X