Sync Mk with ports
Prune 5 obsolete ports

FreeBSD Ports maintainers have already deleted the following:
  devel/qt5-qmldevtools
  math/elmer-umfpack
  science/elmer-eio
  science/elmer-matc
  science/elmergrid
Tweak audio/festlex-cmu version 1.95
Update lang/python27 to version 2.7.8_6
Update devel/py-parsing to version 2.0.3
Update textproc/raptor2 to version 2.0.15
Tweak databases/mysql55-client version 5.5.40
Update multimedia/ffmpeg to version 2.3.5_1,1
Update devel/qmake5 to version 5.3.2
Update lang/ruby20 to version 2.0.0.576_2,1
Update devel/qt5-buildtools to version 5.3.2
Tweak graphics/libdmtx version 0.7.4_6
Tweak databases/mysql55-server version 5.5.40
Update devel/p5-DateTime-TimeZone to version 1.78
Tweak dns/p5-Net-DNS version 0.81
Update archivers/pear-Horde_Pack to version 1.0.5
Update comms/pear-Horde_ActiveSync to version 2.20.0
Update devel/pear-Horde_Core to version 2.16.0
Update lang/python33 to version 3.3.5_5
Tweak graphics/opendx version 4.4.4_19