Log error messages when failing to create nodes, and rollback.

git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5522 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
Quick FIX to push galera service configuration to new nodes in clouds that are different from the service manager's cloud.

git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5523 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas image creation scripts: re-order dependencies in 501-php 


git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5524 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas image creation scripts: 502-galera needs 'make'


git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5525 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas image creation scripts: wget is essential for ConPaaS. Do not remove it. Also include galera.


git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5526 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas image creation scripts: bump DEFAULT_FREE_SPACE


git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5527 ef35cc4a-2640-4bbf-98bc-65920db7d8ae