Fix Homepage URL. Add Vcs-* headers.
Update watch file.
Add README.source.
Imported Upstream version 2.10
Merge tag 'upstream/2.10'

Upstream version 2.10
Imported Upstream version 2.11
Merge tag 'upstream/2.11'

Upstream version 2.11
New upstream version. Fixes automake issue.  Closes: #713334.
Build-depend on help2man to re-generate man page.
Install man page for ykclient. Improve package descriptions somewhat.
Fix Vcs-Git URL.
Add test options to CPPFLAGS to avoid build log warning.
Updated symbols file.
Use machine-readable copyright file.