This update fixes the following issues:

cobbler:

- Fixes case where distribution detection returns None (bsc#1130658)
- SUSE texmode fix (bsc#1109316)

kiwi-desc-saltboot:

- Add more options to generate Salt ID (bsc#1111348)

spacecmd:

- Fix system_delete with SSM (bsc#1125744)

spacewalk-backend:

- Fix linking of packages in reposync (bsc#1131677)
- Fix: handle non-standard filenames for comps.xml (bsc#1120242)
- Mgr-sign-metadata can optionally clear-sign metadata files
- Fix crash when importing new channel families on 'mgr-inter-sync' (bsc#1129300)
- Avoid DB constraint violations caused by extended UTF8 characters on the RPM headers
- Prevent mgr-inter-sync crash because 'SuseProductRepository' not found (bsc#1129300)
- Make sure the package download url does not have '//' (bsc#1127488)
- Fix typo in syncing product extensions (bsc#1118492)

This update was imported from the SUSE:SLE-12:Update update project.