This update for libsolv, libzypp, yast2-packager, yast2-pkg-bindings fixes the following issues:

libsolv:

- No source changes, just shipping it as an installer update (required by yast2-pkg-bindings).

libzypp:

- Proactively send credentials if the URL specifes '?auth=basic' and a username.
(bsc#1174011)
- ZYPP_MEDIA_CURL_DEBUG: Strip credentials in header log. (bsc#1174011)

yast2-packager:

- Handle variable expansion in repository name. (bsc#1172477)
- Improve medium type detection, do not report Online medium when the /media.1/products
file is missing in the repository, SMT does not mirror this file. (bsc#1173336)

yast2-pkg-bindings:

- Extensions to handle raw repository name. (bsc#1172477)

This update was imported from the SUSE:SLE-15-SP2:Update update project.