fixed: executed command 'swapoff' before unmount swap partion.

[MemberIT]

Bugfix: exec "swapoff for '${mount_title}'" must be applied before unmount swap partition.
Part of puppet report without bugfix:

Notice: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Mount[/dev/default/swap]/ensure: undefined 'ensure' from 'unmounted'
Info: Computing checksum on file /etc/fstab
Info: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Mount[/dev/default/swap]: Scheduling refresh of Exec[swapoff for '/dev/default/swap']
Notice: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Filesystem[/dev/default/swap]/ensure: removed
Error: Execution of '/sbin/dmsetup remove default-swap' returned 1: device-mapper: remove ioctl on default-swap failed: Device or resource busy
Command failed
Error: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Logical_volume[swap]/ensure: change from present to absent failed: Execution of '/sbin/dmsetup remove default-swap' returned 1: device-mapper: remove ioctl on default-swap failed: Device or resource busy
Command failed
Notice: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Exec[swapoff for '/dev/default/swap']/returns: executed successfully
Notice: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Exec[swapoff for '/dev/default/swap']: Triggered 'refresh' from 1 events

Part of puppet report with bugfix:

Info: Applying configuration version '1463668281'
Notice: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Exec[swapoff for '/dev/default/swap']/returns: executed successfully
Info: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Exec[swapoff for '/dev/default/swap']: Scheduling refresh of Mount[/dev/default/swap]
Notice: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Mount[/dev/default/swap]/ensure: undefined 'ensure' from 'unmounted'
Info: Computing checksum on file /etc/fstab
Notice: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Mount[/dev/default/swap]: Triggered 'refresh' from 1 events
Notice: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Filesystem[/dev/default/swap]/ensure: removed
Notice: /Stage[main]/Lvm/Lvm::Volume_group[default]/Lvm::Logical_volume[swap]/Logical_volume[swap]/ensure: removed