Add Heartbeat Function to Service, Add Timer to ClientSuite Service Startup check

SERVICES/DDEDM_NetworkService/IEDMService.vb

@@ -4,6 +4,11 @@ Imports DigitalData.Modules.Filesystem
 <ServiceContract([Namespace]:="http://DigitalData.Services.EDMService")>
 Interface IEDMService
 
+#Region "Heartbeat"
+    <OperationContract>
+    Function Heartbeat() As Boolean
+#End Region
+
 #Region "Database"
     <OperationContract>
     Function CreateDatabaseRequest(Name As String, Optional Debug As Boolean = False) As String