diff --git a/NOCQ.userprefs b/NOCQ.userprefs
index 8ada366..8a063db 100644
--- a/NOCQ.userprefs
+++ b/NOCQ.userprefs
@@ -1,10 +1,6 @@
 <Properties>
   <MonoDevelop.Ide.Workspace ActiveConfiguration="Debug" />
-  <MonoDevelop.Ide.Workbench ActiveDocument="NOCQ.Application/Program.cs">
-    <Files>
-      <File FileName="NOCQ.Application/Program.cs" Line="1" Column="1" />
-    </Files>
-  </MonoDevelop.Ide.Workbench>
+  <MonoDevelop.Ide.Workbench />
   <MonoDevelop.Ide.DebuggingService.Breakpoints>
     <BreakpointStore />
   </MonoDevelop.Ide.DebuggingService.Breakpoints>
diff --git a/src/NOCQ/Extensability/Catalog.cs b/src/NOCQ/Extensability/Catalog.cs
new file mode 100644
index 0000000..f58656e
--- /dev/null
+++ b/src/NOCQ/Extensability/Catalog.cs
@@ -0,0 +1,19 @@
+using System.ComponentModel.Composition.Hosting;
+using System.ComponentModel.Composition;
+
+namespace NOCQ
+{
+    public class Catalog
+    {
+		DirectoryCatalog dcatalog = new DirectoryCatalog("plugins", "*.dll");
+		AssemblyCatalog acatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
+		AggregateCatalog catalog = new AggregateCatalog(dcatalog, acatalog);
+		public CompositionContainer Container = new CompositionContainer(catalog);
+        public Catalog()
+        {
+			Container.ComposeParts(this);
+
+        }
+    }
+}
+
diff --git a/src/NOCQ/Imports/IDataImport.cs b/src/NOCQ/Imports/IDataImport.cs
new file mode 100644
index 0000000..9d609a0
--- /dev/null
+++ b/src/NOCQ/Imports/IDataImport.cs
@@ -0,0 +1,11 @@
+using System;
+
+namespace NOCQ
+{
+	public interface IDataImport
+    {
+		void Run();
+		void Stop();
+    }
+}
+
diff --git a/src/NOCQ/NOCQ.csproj b/src/NOCQ/NOCQ.csproj
index 24296e1..0d37b52 100644
--- a/src/NOCQ/NOCQ.csproj
+++ b/src/NOCQ/NOCQ.csproj
@@ -55,9 +55,15 @@
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="ImapInput.cs" />
+    <Compile Include="Extensability\Catalog.cs" />
+    <Compile Include="Imports\IDataImport.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+  <ItemGroup>
+    <Folder Include="Extensability\" />
+    <Folder Include="Imports\" />
+  </ItemGroup>
+</Project>