if the chk file contains enough samples, use them as starting configurations for MC trajectories
if the chk file contains enough samples, use them as starting configurations for MC trajectories


Former-commit-id: 3426922f94f4edfb042d8721d6b2d693b262cee0 [formerly adc6dc8f0387e7ad7be21dd9190065623c3c5dfa]
Former-commit-id: 381b8be79a76c7ce6da4249388e04de606bbc989
simomarsili/elss