autofs: Collective update for AutoFS

This update resolves the following issues:

* Do not mask the failure to unmount busy volumes (bnc#733479)
* Fix umount recovery of busy direct mounts (bnc#734924)
* Fix remount deadlock that can happen on a restart when there are nested direct mounts busy (bnc#733479)
* Duplicate parent options for included maps (bnc#753693)
* Fix segmentation fault in get_query_dn() (bnc#752044)
* Fix segmentation fault in do_remount_indirect() when scandir() fails (bnc#748588).

Fixed bugs
bnc#733479
automounter (re)start hangs
bnc#734924
L3: AutoFS doesnt reread some direct maps on reload (SIGHUP)
bnc#753693
automount options from auto.master are not passed to included maps
bnc#752044
L3: automount crashes in get_query_dn()
bnc#748588
L3: AutoFS segfaults in do_remount_indirect()
Selected Binaries
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