so as to be in line with the content of the soon-to-(dis)apper QE-paper.
Please carefully check for consistency, affiliations, who didi what,
what is missing, etc etc
git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@5533 c92efa57-630b-4861-b058-cf58834340f0
giannozz