Added #include <string> to rf-train.cpp
Added #include <string> and #include <numeric> to rf-test.cpp
Added #include <string> to atom.cpp
Changed the return type of score() from float to void
Added #include <string> to receptor.cpp
Added #include <string> to ligand.cpp
Removed default copy and move constructor and assignment of node
Added *.vcxproj and RF-Score.sln