Certificate/wireless plugins; major refactoring

Migrate much of BI to Services.
Added Wireless Profile Provider plugin feature.
Added Certificate Authority Provider plugin feature.
Modified Certificate Provider plugin feature.
Database migration v17, for Device Profiles.
Enrolment Client Updated to support CA Certificates, Wireless Profiles
and Hardware Info.
New Client Enrolment Protocol to support new features.
Plugin Manifest Generator added to main solution.
Improved AD search performance.

Disco.Models/ClientServices/EnrolmentInformation/WirelessProfile.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+
+namespace Disco.Models.ClientServices.EnrolmentInformation
+{
+    public class WirelessProfile
+    {
+
+        /// <summary>
+        /// The name of the wireless profile, typically the SSID
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// The guid of the associated interface.
+        /// </summary>
+        public Guid? InterfaceGuid { get; set; }
+
+        /// <summary>
+        /// Indicates the profile is deployed via Group Policy and therefore read-only
+        /// </summary>
+        public bool? IsGroupPolicy { get; set; }
+
+        /// <summary>
+        /// Indicates the profile should be overwritten even if it already exists
+        /// </summary>
+        public bool? ForceDeployment { get; set; }
+
+        /// <summary>
+        /// The wireless profile XML definition
+        /// </summary>
+        public string ProfileXml { get; set; }
+
+    }
+}