allow manifest.t will be added later ...
Fix MANIFEST.SKIP - filter doesn't apply as meant

$ make manifest
perl "-MExtUtils::Manifest=mkmanifest" -e mkmanifest
Added to MANIFEST: LICENSE
Added to MANIFEST: README
Added to MANIFEST: xt/changes.t
Added to MANIFEST: xt/kwalitee.t
Added to MANIFEST: xt/manifest.t
Added to MANIFEST: xt/pod-cm.t
Added to MANIFEST: xt/pod-coverage.t
Added to MANIFEST: xt/pod.t
Added to MANIFEST: xt/spelling.t
complete resources and hamonize common arguments

Correct the email address to send bugs to, add a path to license and harmonize
the way key literals for WriteMakefile parameters are specified.
fix deploying correct license texts