hg: graal/graal: 2 new changesets

[doug.simon at oracle.com]

Changeset: 6eef506c173d
Author:    Bernhard Urban <bernhard.urban at jku.at>
Date:      2014-06-12 11:39 +0200
URL:       http://hg.openjdk.java.net/graal/graal/rev/6eef506c173d

mx archive: only print overwrite warning on files

! mxtool/mx.py

Changeset: 64e172733061
Author:    Bernhard Urban <bernhard.urban at jku.at>
Date:      2014-06-12 11:40 +0200
URL:       http://hg.openjdk.java.net/graal/graal/rev/64e172733061

mx clean: delete distributions

! mx/mx_graal.py
! mxtool/mx.py