Drop liver version

Signed-off-by: Justin Lecher <jlec@gentoo.org>
Merge remote-tracking branch 'github/master'

* github/master:
  sci-chemistry/freeon: Drop obsolete versions
  Moved to tree
  sci-physics/root: Fix compilation with USE="mysql" wrt bug #523996; fix die_compiler message
  sync with gx86
  net-libs/xrootd: version bump and fix bug 521496
  travis.yml: use newer portage version
  fixed bash-comp (bug #526320)
  version bump