Provide PEVerify also for .NET 4.0.

Author: oskarb

Tools/PEVerify/PEVerify.exe renamed to Tools/PEVerify/3.5/PEVerify.exe

@@ -0,0 +1,6 @@
+<?xml version ="1.0"?>
+<configuration>
+    <startup useLegacyV2RuntimeActivationPolicy="true">
+        <requiredRuntime safemode="true" imageVersion="v4.0.30319" version="v4.0.30319"/>
+    </startup>
+</configuration>

Tools/PEVerify/PEVerify.exe.config renamed to Tools/PEVerify/3.5/PEVerify.exe.config

@@ -31,7 +31,11 @@ public PeVerifier(string assemblyFileName)
 				dir = Directory.GetParent(dir).FullName;
 			}
 
-			_peVerifyPath = Path.Combine(dir, "Tools/PEVerify/PEVerify.exe");
+			var versionFolder = "4.0";
+			if (Environment.Version.Major == 2)
+				versionFolder = "3.5";
+
+			_peVerifyPath = Path.Combine(dir, "Tools/PEVerify/" + versionFolder + "/PEVerify.exe");
 
 			if (!File.Exists(_peVerifyPath))
 				throw new Exception(string.Format("Could not find PEVerify.exe at {0}", _peVerifyPath));