Added yahoo stuff

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk/src/plugins/gateway@4487 b35dd754-fafc-0310-a699-88a17e54d16e

src/i18n/gateway_i18n.properties

 login.title=Admin Console
+
 externalgateway.startup=Started external gateway {0}.
 externalgateway.filenotfound=Configuration file {0} not found: {1}
 externalgateway.invalidconfig=Invalid configuratino file: {0}
@@ -34,3 +35,6 @@ basegateway.statusexception=Unable to get status from {1} to send to {0}. Error
 basegateway.gatewaypresence=Gateway presence requested and served.
 
 jabberendpoint.sendpacketenqueue=Enqueue packet from {0}.
+
+yahoogatewaysession.status=YahooGatewaySession status: {0}
+yahoogatewaysession.login=[{0}] {1}: logged in.