Commits for braney

v313_preview2 to v313_base (2015-03-02 to 2015-03-09) v313

• remove bogus information in genePredToBigGenePred usage message
  
  • src/hg/utils/genePredToBigGenePred/genePredToBigGenePred.c - lines changed 2, context: html, text, full: html, text
• add a menu in hgTracksUi to let folks choose a coalescent ancestor when
  resolving duplications (per Joel)
  
  • src/hg/hgTrackUi/hgTrackUi.c - lines changed 45, context: html, text, full: html, text
  • src/hg/hgTrackUi/makefile - lines changed 1, context: html, text, full: html, text
  • src/hg/hgTracks/snakeTrack.c - lines changed 4, context: html, text, full: html, text