Have server set clients' client when syncing/querying

WpkgInstaller/WpkgInstaller.cs

@@ -132,11 +132,11 @@ namespace WpkgInstaller
 
             if(process.ExitCode == 0)
             {
-                // notify clients of success
+                SetClientsState(WpkgMessageState.SUCCESS);
             }
             else
             {
-                // notify clients of error
+                SetClientsState(WpkgMessageState.ERROR);
             }
             String msg = String.Format("wpkg command finished, with exit code {0}", process.ExitCode);
             eventLog.WriteEntry(msg, EventLogEntryType.Information);
@@ -212,9 +212,11 @@ namespace WpkgInstaller
             switch (type)
             {
                 case WpkgMessageRequestType.DO_SYNC:
+                    SetClientsState(WpkgMessageState.SYNCING);
                     RunWpkgSync();
                     break;
                 case WpkgMessageRequestType.RUN_QUERY:
+                    SetClientsState(WpkgMessageState.QUERYING);
                     RunWpkgQuery();
                     break;