Integrate Richtendo's .NET 4.0 and 4.5 and move F-Sharp to its own package.xml and correct typo in msvc package xml and make some general cleanups and corrections

OPSI/control

@@ -117,6 +117,15 @@ description: Install Microsoft Visual J-Sharp 2.0 SE
 values: ["install", "none", "reinstall"]
 default: ["install"]
 
+[ProductProperty]
+type: unicode
+name: sereby_msfsharp
+multivalue: False
+editable: False
+description: Install Microsoft Visual F-Sharp 2.0 SE
+values: ["install", "none", "reinstall"]
+default: ["install"]
+
 [ProductProperty]
 type: unicode
 name: sereby_silver