Merge branch 'feature/forward' into 'master'

implement macro FWD() directly using static_cast instead of std::forward

See merge request !210

amdis/common/TypeTraits.hpp

@@ -73,7 +73,7 @@ namespace AMDiS
 
 
   /// Macro for forwarding universal references to obj
-  #define FWD(obj) std::forward<decltype(obj)>(obj)
+  #define FWD(...) static_cast<decltype(__VA_ARGS__)>(__VA_ARGS__)
 
   /// A decay version of decltype, similar to GCCs __typeof__
   #define TYPEOF(...) AMDiS::remove_cvref_t<decltype(__VA_ARGS__)>