AddUsersToSite

Use	Associates a list of users to a specified site group.
Inputs	Trial name. Site name. List of user names.
Outputs	None on success, SOAP fault on failure.
Side effects	Users are associated to the specified site group. Note: If the InForm system user is part of the list of users, it will not be added. A message is logged to the server's event log, stating that the system user was skipped. No error is reported. To add the system user to a site, use the InForm user interface.
SOAP action	http://www.phaseforward.com/InForm/2009/01/UserProvisioning/AddUsersToSite