Update www/screem, GTK2 website editor, to latest version 0.6.2 and remove
unneeded dependencies (this port now links against it's own neon lib).
Approved by maintainer:
: This looks good. You may send-pr it and indicate my approval. I've
: been down for a bit because of a dead power supply. :) Now I'm stuck
: with dial-up for at least until September. :(