v4.0.4

Changelog:

989eb25 fix: delete temporary mount point
2714c59 osd_disk_activate: resolve device symlink
55d49f1 osd_volume_activate: handle loop device
0d33f5b osd_volume_activate: fix bug in teardown
ef37aca osd_volume_activate: fix osd_volume_lvm function
d78cc20 osd_volume_activate: cleanup dmcrypt when osd is stopped
7bd6b2d docker_exec: execute sigterm_cleanup_post() when signal is SIGCHLD
8bfd354 osd_volume_activate: fix a bug in findmnt cmd call
b040a99 fix: assign properly OSD_DISKS variable
aafc1f3 disk_list.sh: Don't use wildcard on OSD device