Remove WWW entries moved into port Makefiles
Commit b7f05445c00f has added WWW entries to port Makefiles based on
WWW: lines in pkg-descr files.
This commit removes the WWW: lines of moved-over URLs from these
pkg-descr files.
Approved by: portmgr (tcberner)
devel/frama-c: Update version Oxygen => Neon to unbreak and stage
Oxygen is from Sept 2012, and Neon is from Mar 2014. Stage support was
added along with some minor cleanup. A major patch from Debian was
required to support OcamlGraph 1.8.5.
It has been broken since Ocaml was updated to 4.01.
Work covered by Staging blanket.