Commits for hiram

v253_base to v254_preview (2011-06-28 to 2011-07-05) v254

• move some defines into one central location in hgTracks.h
  • src/hg/hgTracks/encode.c - lines changed 2, context: html, text, full: html, text
  • src/hg/hgTracks/hgTracks.h - lines changed 4, context: html, text, full: html, text
  • src/hg/hgTracks/simpleTracks.c - lines changed 1, context: html, text, full: html, text
  • src/hg/hgTracks/wigTrack.c - lines changed 3, context: html, text, full: html, text