SeaMonkey additional fix for Bug 926468. - use ldaps://
Bug 1049446, Add timeouts to selfserve's urllib.urlopen() requests, r=Callek
Bug 1048644: removes old openstack nodes, adds new nodes; a=nodechange
bug 1049595: cope with signing server transition in buildbot configs. r=rail/catlee
Bug 926468: remove keys from keys.pp

This assumes they're in LDAP or $extra_user_ssh_keys by this point.