AMH: implemented version tag modes as site settings, removed autoRequestCommit setting

lib/WebGUI/Auth.pm

@@ -760,6 +760,8 @@ sub isVisitor {
 Superclass method that performs standard login routines.  This is what should happen after a user has been authenticated.
 Authentication should always happen in the subclass routine.
 
+AMH: open version tag is reclaimed if user is in site wide or singlePerUser mode.
+
 =cut
 
 sub login {
@@ -803,7 +805,12 @@ sub login {
 		$self->session->http->setRedirect($self->session->scratch->get("redirectAfterLogin"));
 	  	$self->session->scratch->delete("redirectAfterLogin");
 	}
-	
+
+        #AMH: get open version tag. This is needed if we want
+        # to reclaim a version right after login (singlePerUser and siteWide mode)
+        # and to have the correct version displayed.
+        WebGUI::VersionTag->getWorking($self->session(), q{noCreate});
+
 	return undef;
 }