add Dets/Makefile
Merge branch 'master' of github.com:LCPQ/quantum_package

Conflicts:
	src/Dets/Makefile
Merge branch 'master' of github.com:LCPQ/quantum_package
Merge branch 'master' of github.com:LCPQ/quantum_package
CISD_SC2 ok, CISD_SC2_selected ok