conpaas-xtreemfs: get_service_manifest implemented


git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5295 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas-xtreemfs agent: return snapshot tarball as HttpFileDownloadResponse


git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5296 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas-xtreemfs agent client: do not return JSON in get_snapshot


git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5297 ef35cc4a-2640-4bbf-98bc-65920db7d8ae
conpaas-xtreemfs manager: base64 encoding of snapshot data 


git-svn-id: svn://svn.forge.objectweb.org/svnroot/contrail/trunk/conpaas@5298 ef35cc4a-2640-4bbf-98bc-65920db7d8ae