
Structure 2.3 release of C kernel created 4/14/09.

This includes code by Melissa to use location prior information.
Code has been checked to some extent, and modified in places by Jonathan.

NEEDED UPDATES [POST 4/14/09 release]

Add code from Daniel (emailed 4/19/09 to JKP) to fix polyploid issue.
[Daniel sent 2 versions, so be sure to insert later version]
