This update fixes the following issues: salt: - Avoid regression on salt-master : set passphrase for salt-ssh keys to empty string - Properly validate eauth credentials and tokens on SSH calls made by Salt API - Fix disk.blkid to avoid unexpected keyword argument "__pub_user" - Ensure virt.update stop_on_reboot is updated with its default value - Do not break package building for systemd OSes - Drop wrong mock from chroot unit test - Support systemd versions with dot - Fix for grains.test_core unit test - Fix file/directory user and group ownership containing UTF-8 characters - Several changes to virtualization: - Fix virt update when cpu and memory are changed - Memory Tuning GSoC - Properly fix memory setting regression in virt.update - Expose libvirt on_reboot in virt states - Support transactional systems - Zypperpkg module ignores retcode 104 for search - Xen disk fixes. No longer generates volumes for Xen disks, but the corresponding file or block disk - Invalidate file list cache when cache file modified time is in the future - Prevent import errors when running test_btrfs unit tests