- Add runtime dependency on net-im/tox (workaround).
- Remove stale libXft dependency. Add instead:
  * Fontconfig / freetype2 dependencies.
  * USE_XORG = x11 xext xrender.
- Add missing dependencies (libv4l / libvpx / openal).
- Make dbus dependency optional.

PR:		194136
Submitted by:	s3erios@gmail.com
Approved by:	fidaj@ukr.net (maintainer)


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@370387 35697150-7ecd-e111-bb59-0022644237b5