Fix USES=horde conversion


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@369690 35697150-7ecd-e111-bb59-0022644237b5
deskutils/gourmet: update to 0.17.4

- update to 0.17.4
- add IPYTHON option (needed for interactive shell plugin)
- define LICENSE_FILE
- convert to USES


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@369691 35697150-7ecd-e111-bb59-0022644237b5