Imported Upstream version 4.2.0.179

Former-commit-id: 0a113cb3a6feb7873f632839b1307cc6033cd595

mcs/class/Microsoft.Build/Makefile

@@ -7,6 +7,7 @@ include $(XBUILD_DIR)/xbuild.make
 
 LIBRARY = Microsoft.Build.dll
 
+LIB_REFS = System System.Core System.Xml Microsoft.Build.Engine Microsoft.Build.Framework
 LIB_MCS_FLAGS = \
 	/r:$(corlib)				\
 	/r:System.dll				\

mcs/class/Microsoft.Build/Microsoft.Build.Execution/BuildManager.cs

@@ -112,7 +112,6 @@ namespace Microsoft.Build.Execution
 				throw new InvalidOperationException ("Build has not started");
 			if (submissions.Count > 0)
 				WaitHandle.WaitAll (submissions.Select (s => s.WaitHandle).ToArray ());
-			BuildNodeManager.Stop ();
 			ongoing_build_parameters = null;
 		}
 		

mcs/class/Microsoft.Build/Test/FunctionalTestReferenceProject3.csproj

@@ -115,8 +115,7 @@
           <IISUrl>http://localhost:18572/</IISUrl>
           <NTLMAuthentication>False</NTLMAuthentication>
           <UseCustomServer>False</UseCustomServer>
-          <CustomServerUrl>
-          </CustomServerUrl>
+          <CustomServerUrl></CustomServerUrl>
           <SaveServerSettingsInUserFile>False</SaveServerSettingsInUserFile>
         </WebProjectProperties>
       </FlavorProperties>