Initial SQL Agent merge for March release (#595)

* Initial SQL Agent WIP

* Fix test build break

* wip

* wip2

* additonal SQL Agent history parsing code

* Fix namespace sorting

* Hook up agent\jobs method

* Fix broken integration test build

* Added handler for job history request (#586)

* fixed agent service tests

* added job history handler

* code review refactoring

* Turn off another failing test

* Disable failing test

* Feature/agent1 adbist (#592)

* fixed agent service tests

* added job history handler

* code review refactoring

* refactored code

* small refactor

* code review changes

* Remove unused code

* Remove unused test file

* Feature/agent1 adbist (#593)

* fixed agent service tests

* added job history handler

* code review refactoring

* refactored code

* small refactor

* code review changes

* changed constant casing

* added handler for job actions

* Reenable disabled test

* cleaned up code

src/Microsoft.SqlTools.ServiceLayer/Agent/Contracts/AgentJobHistoryInfo.cs

@@ -0,0 +1,38 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+//
+
+using System;
+using System.Data;
+using System.Collections.Generic;
+using Microsoft.SqlServer.Management.Common;
+using Microsoft.SqlTools.ServiceLayer.Agent;
+
+namespace Microsoft.SqlTools.ServiceLayer.Agent.Contracts
+{
+    /// <summary>
+    /// a class for storing various properties of agent jobs, 
+    /// used by the Job Activity Monitor
+    /// </summary>
+    public class AgentJobHistoryInfo
+    {
+        public int InstanceId { get; set; }
+        public int SqlMessageId { get; set; }
+        public string Message { get; set; }
+        public int StepId { get; set; }
+        public string StepName { get; set; }
+        public int SqlSeverity { get; set; }
+        public Guid JobId { get; set; }
+        public string JobName { get; set; }
+        public int RunStatus { get; set; }
+        public DateTime RunDate { get; set; }
+        public int RunDuration { get; set; }
+        public string OperatorEmailed { get; set; }
+        public string OperatorNetsent { get; set; }
+        public string OperatorPaged { get; set; }
+        public int RetriesAttempted { get; set; }
+        public string Server { get; set; }
+    }
+    
+}