povray: add license, which is AGPL (http://www.povray.org/povlegal.html).
--- trunk/dports/graphics/povray/Portfile 2015-10-02 02:59:35 UTC (rev 140753)
+++ trunk/dports/graphics/povray/Portfile 2015-10-02 04:19:40 UTC (rev 140754)
@@ -10,6 +10,7 @@
set branch [join [lrange [split ${version} .] 0 1] .]
categories graphics
platforms darwin
+license AGPL
maintainers nomaintainer
description Persistence Of Vision RAYtracer