Replaced qtn4id by {1, 0, 0, 0}
Separated result.hpp into result.cpp
Separated result.hpp to conformation.hpp
Changed add_to_result_container to result::push
Added comments to array.cpp
Updated a comment
Added using boost::ptr_vector to log.cpp
Updated comments in random_forest.hpp
Updated comments in result.cpp
Replaced #include atom.hpp by <array>, and updated comments
Updated an assertion