Add study for new Velo-Pixel Detector element conditions. Include fixes from...

Add study for new Velo-Pixel Detector element conditions. Include fixes from Chris Burr for alignment computations

DDDB/include/Detector/DetectorElement.h

@@ -215,7 +215,7 @@ namespace gaudi    {
     {   return params().parameter(nam, throw_if_not_present);                   }
     /// Type dependent accessor to a named parameter
     template <typename T> T param(const std::string& nam, bool throw_if_not_present=true)   const
-    {   return params().template param<T>(nam, throw_if_not_present);           }
+    {   return parameter(nam, throw_if_not_present).template get<T>();          }
     /// Access the parent detector element
     DetElement parent()  const
     {   return static_data().detector.parent();                                 }