[gfsd]Updated entry for Kannel

[Richard Braakman]

There's been a few new releases since the last entry, and there is now
a users list.  I've attached a diff.

By the way, I could find no explanation in the README for these fields
in the template:

%%license verified by:
%%license verified on:
%%entry written by:
%%maintainer:
%%interface:
%%source-language:

kannel.diff
Description: Text document