Updated geronimo-ra.xml format

[David Jencks]

I slightly changed the geronimo-ra.xml format.  Update your  
geronimo-ra.xml's.

connectionmanagerfactory-descriptor ===> connectionmanagerfactory-class
I've attached an updated version of the openjca dd here:
https://sourceforge.net/tracker/ 
index.php?func=detail&aid=880282&group_id=44351&atid=439277

thanks
david jencks