Low: stonith: external/vcenter: Disable SSL hostname verification by default (bnc#851990)

Add parameter to the agent to enable or disable SSL hostname
verification.
Medium: hb_report: Add support for xz compression (bnc#854060)

On some systems, log files are compressed with xz compression.
Assumes that xz is installed if logs are compressed with xz.
logd: Add systemd unit file for logd (bnc#863248)

Adds a systemd service script for logd, to replace the
old SysVInit script.
Dev: Update the spec file for SUSE
hb_report: Don't use deprecated corosync-fplay (bnc#870913)

corosync-fplay is no longer distributed with corosync 2.0.
hb_report: Update FSF address in license

Update the FSF address in license of combine-logs.pl