The address is no longer correct. We can just as well simply point to
the web page describing the license.
Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>
Some parts can be written in a more straight-forward way. This also
fixes the issue with not raising error on adding to big file.
Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>