Using the manifest for the functional tests.

o Changing all the functional tests of the director to use the manifest
  instead of the cpsclient
o Removing '-f' from rmfs.xtreemfs because it is not supported anymore
o Adding a small delay before creating an xtreemfs volume in the manifest

git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4897 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas-docs: set html_style in conf.py

git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4898 ef35cc4a-2640-4bbf-98bc-65920db7d8ae