The update stack received various bugfixes and improvements:

Changes in libsolv:
- fix bug in solver_get_unneeded that could lead to an
endless loop [bnc#828764]
- fix typos in pool_job2str
- make addfilelist more resistant against corrupt rpms
- fix pseudo packages obsoleting other pseudo packages

Changes in libzypp:
- Updated translations
- Fix missing priority in RepoInfo::dumpAsXML (bnc#855845)
- Add support for repo authentication using SSL client certificates (bnc#683914)

Changes in zypper:
- Updated translations
- Zypper must refresh CD/DVD if no raw metadata are present. (bnc#859160)
- Don't read metadata from CD/DVD repo if --no-check was used (bnc#859160)
- Fix filelist search to match full paths instead of basenames only (bnc#859211)
- Fix missing priority in RepoInfo::dumpAsXML (bnc#855845)
- Upadte manpage (distribution upgrade)