add legal disclaimer file to output-TIMESTAMP/

[Kyle Nitzsche]

Following should be a generated file in output-TIMESTAMP/

"Canonical Ltd ("We") have prepared this package and licence list for
your convenience. We have relied on package meta data, license files,
and community contributions in creating this list, and we make this list
available on an as-is basis. The list is updated periodically, so it
does not reflect the constant and rapid update of the packages. We
make no representation or warranty as to the accuracy or completeness of
this list or the information it represents, and we expressly disclaim
any implied warranties to the fullest extent permissible at law. We
accept no liability for any damage or loss arising form your use or
reliance on the list. All use of the list is subject to these terms."

[Kyle Nitzsche (knitzsche)]

fixed with 1.21