Initial design of security concepts

--HG--
extra : convert_revision : svn%3A5ff7c347-ad56-4c35-b696-ccb81de16e03/trunk%4039261

src/Orchard/Orchard.csproj

@@ -145,6 +145,8 @@
     <Compile Include="Notify\NotifierExtensions.cs" />
     <Compile Include="Notify\NotifyEntry.cs" />
     <Compile Include="Notify\NotifyFilter.cs" />
+    <Compile Include="Security\IPermissionProvider.cs" />
+    <Compile Include="Security\Permission.cs" />
     <Compile Include="Services\Clock.cs" />
     <Compile Include="Storage\FileSystemStorageProvider.cs" />
     <Compile Include="Storage\IStorageFile.cs" />

src/Orchard/Security/IPermissionProvider.cs

@@ -0,0 +1,8 @@
+using System.Collections.Generic;
+
+namespace Orchard.Security {
+    public interface IPermissionProvider {
+        string PackageName { get; }
+        IEnumerable<Permission> GetPermissions();
+    }
+}

src/Orchard/Security/Permission.cs

@@ -0,0 +1,6 @@
+namespace Orchard.Security {
+    public class Permission {
+        public string Name { get; set; }
+        public string Description { get; set; }
+    }
+}