rename Base/Types/Span.cpp -> Base/Type

Base/Types/Span.cpp → Base/Type/Span.cpp

@@ -2,7 +2,7 @@
 //
 //  BornAgain: simulate and fit reflection and scattering
 //
-//! @file      Base/Types/Span.cpp
+//! @file      Base/Type/Span.cpp
 //! @brief     Defines class Span.
 //!
 //! @homepage  http://www.bornagainproject.org