OS-1555 do not mount snapshots in create-snapshot when the zone is not running.
OS-2529 grab 'svcs -xv' for zone when provision times out to go along with ptree.
OS-2536 fix issue with errors on adding transition and failed flags by removing first (thanks to OS-2305)
OS-2543 ZFS prefetch should be enabled always and everywhere
OS-1379 don't fail with zonecfg error message when removing a disk that doesn't exist.
OS-2198 fix TypeError on 'null' value for string parameters.
OS-2545 grab kstats for zone when provision fails, before shutting down, to help debugging.
Merge branch 'master' of git://github.com/joyent/smartos-live into ec