Sventon is installed in:
/afs/slac.stanford.edu/package/jakarta/apps/sventon-2.1.4
which is pointed to by:
/afs/slac.stanford.edu/package/jakarta/NewBase/conf/Catalina/java.freehep.org/svn.xml
Sventon can be accessed at:
http://java.freehep.org/svn/repos/
Sventon config is in:
jakarta2:/scratch/tomcat55/temp/sventon_config/svn/repositories
To add a new repository just create a new directory at this location, add the appropriate config file, and restart the tomcat server on jakarta2.