Imported Upstream version 0.13.1
Merge tag 'upstream/0.13.1'

Upstream version 0.13.1
Added new upstream release.

o Used git-import-orig --uscan.
o debian/patches/02-fix-glade-path.patch and
debian/patches/05-use-https-where-needed-for-flickr.patch were removed.
o Update changelog.

Thanks to upstream for being responsive.