checker validation made a bit more verbose

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16690 85f007b7-540e-0410-9357-904b9bb8a0f7
checker validation fixed w.r.t. Futures

still not working, it complains about the universe constraint
set...

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16691 85f007b7-540e-0410-9357-904b9bb8a0f7
Fix batch compilation of scripts with Admitted proofs (in a section)

This time all collateral effects of forcing the execution
of dropped proofs should be handled correctly

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16692 85f007b7-540e-0410-9357-904b9bb8a0f7