git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@5803 c92efa57-630b-4861-b058-cf58834340f0
It allows to treat a molecular system in open boundary conditions. git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@4973 c92efa57-630b-4861-b058-cf58834340f0