Fix "copy public key" message to use the public key

The message was telling to paste id_xxx@github instead of
id_xxx@github.pub.
README: changes for incomming 1.007...
README: update "Upgrade" process
release.pl: fix packed modules collection
Fix changelog for 1.007 that-should-have-been-released-but-isn't
Bump to version 1.007
Release v1.007