make selenium service independent from scalaris service

git-svn-id: svn+ssh://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4435 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
use correct names in comments

git-svn-id: svn+ssh://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4436 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
removed obsolete helloworld code from cds and xtreemfs

git-svn-id: svn+ssh://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4437 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
make hadoop service independent from scalaris service

git-svn-id: svn+ssh://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4450 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
added example of CLOUDS directive in director.cfg

git-svn-id: svn+ssh://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@4459 ef35cc4a-2640-4bbf-98bc-65920db7d8ae