Merge pull request #270 from kobliha/master

Fixed checking for :active state of a systemd unit
Document the responsibility of NetworkInterfaces.
Use @attribute, don't misuse @example.
Merge pull request #271 from mvidner/doc-networkinterfaces

Document the responsibility of NetworkInterfaces.
fix hidding cd statistics in text only mode (bnc#864507)
Release
Merge pull request #273 from yast/fix_slideshow

Fix slideshow
Fix cmdline parsing to support more situations (bnc#889241)
Changelog and version number updates
Merge pull request #275 from ancorgs/fix_cmdline_parsing

Fix cmdline parsing to support more situations (bnc#889241)