Ticket #3499 Initial addition of per job fuse mounting.
Ticket #3499 - 1st class status for named mount points.
Ticket #3499 Update for cleanup, which should work fine on el, but there
appears to be an issue when using per job mount namespaces. Only the
process itself or death can unmount, not even root can unmount because
it is not visible because the namespace is created only for the process
spawned from the starter, not the starter itself.
Merge branch 'master-gt3499-fuse'