restructure solution

ILSpy.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 14
-VisualStudioVersion = 14.0.22013.1
+# Visual Studio 2013
+VisualStudioVersion = 12.0.31101.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "doc", "doc", "{F45DB999-7E72-4000-B5AD-3A7B485A0896}"
 	ProjectSection(SolutionItems) = preProject
@@ -36,7 +36,6 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ICSharpCode.NRefactory.CSha
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ILSpy.AddIn", "ILSpy.AddIn\ILSpy.AddIn.csproj", "{9D7BE6C0-B7B3-4A50-A54E-18A2D84A3384}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "VSIntegration", "VSIntegration", "{CA68D818-CDB5-4240-9909-F3E02F1B34CB}"
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{0A344E19-D1FC-4F4C-8883-0844AC669113}"
 	ProjectSection(SolutionItems) = preProject
 		Rebracer.xml = Rebracer.xml
@@ -164,8 +163,4 @@ Global
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
-	GlobalSection(NestedProjects) = preSolution
-		{F45DB999-7E72-4000-B5AD-3A7B485A0896} = {CA68D818-CDB5-4240-9909-F3E02F1B34CB}
-		{9D7BE6C0-B7B3-4A50-A54E-18A2D84A3384} = {CA68D818-CDB5-4240-9909-F3E02F1B34CB}
-	EndGlobalSection
 EndGlobal