Fixed output csv header
++num_lines when TORSDOF in order to satisfy an assertion
Added setf and setprecision to cout
Moved starts_with and right_cast from common.hpp to ligand.cpp
Removed #include <limits>, <vector> and <string>
Separated #include from common.hpp to files
Replaced boost::random by std::random
Changed task prototype from int(int) to void()
Removed the std:: prefix
Replaced custom copy and move constructor and assignment by the default ones
Replaced starts_with by record = line.substr(0, 6); Replaced right_cast by stod and stoul
Replaced lexical_cast<string> by to_string
Replaced in by ifs and out by ofs