diff --git a/.hgsubstate b/.hgsubstate
new file mode 100644
index 000000000..dece3c6b7
--- /dev/null
+++ b/.hgsubstate
@@ -0,0 +1 @@
+ef6e8cd4054851538d62655df874721889180b78 Clay
diff --git a/src/Orchard.sln b/src/Orchard.sln
index a42162843..af36e1a9f 100644
--- a/src/Orchard.sln
+++ b/src/Orchard.sln
@@ -77,6 +77,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Orchard.Tests", "Tools\Orch
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Orchard.ArchiveLater", "Orchard.Web\Modules\Orchard.ArchiveLater\Orchard.ArchiveLater.csproj", "{1C981BB3-26F7-494C-9005-CC27A5144233}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Nested", "Nested", "{704716AC-45CC-4421-AD1B-73BA833C6825}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ClaySharp", "..\nested\Clay\src\ClaySharp\ClaySharp.csproj", "{76BCD43B-7BA5-4B63-B1E1-861641CA2686}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		CodeCoverage|Any CPU = CodeCoverage|Any CPU
@@ -423,6 +427,16 @@ Global
 		{1C981BB3-26F7-494C-9005-CC27A5144233}.FxCop|Any CPU.ActiveCfg = Debug|Any CPU
 		{1C981BB3-26F7-494C-9005-CC27A5144233}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1C981BB3-26F7-494C-9005-CC27A5144233}.Release|Any CPU.Build.0 = Release|Any CPU
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686}.CodeCoverage|Any CPU.ActiveCfg = Release|Any CPU
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686}.CodeCoverage|Any CPU.Build.0 = Release|Any CPU
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686}.Coverage|Any CPU.ActiveCfg = Release|Any CPU
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686}.Coverage|Any CPU.Build.0 = Release|Any CPU
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686}.FxCop|Any CPU.ActiveCfg = Release|Any CPU
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686}.FxCop|Any CPU.Build.0 = Release|Any CPU
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -459,5 +473,6 @@ Global
 		{8A4E42CE-79F8-4BE2-8B1E-A6B83432123B} = {383DBA32-4A3E-48D1-AAC3-75377A694452}
 		{0DFA2E10-96C8-4E05-BC10-B710B97ECCDE} = {383DBA32-4A3E-48D1-AAC3-75377A694452}
 		{E65E5633-C0FF-453C-A906-481C14F969D6} = {E75A4CE4-CAA6-41E4-B951-33ACC60DC77C}
+		{76BCD43B-7BA5-4B63-B1E1-861641CA2686} = {704716AC-45CC-4421-AD1B-73BA833C6825}
 	EndGlobalSection
 EndGlobal