Commits for braney

v263_preview to v263_preview2 (2012-01-31 to 2011-02-07) v263

• when autoscaling and the range is 0 (ie. all values are the same), add one to the range so a bar is drawn (#6763)
  • src/hg/hgTracks/wigTrack.c - lines changed 14, context: html, text, full: html, text
• fix up assert to be accurate, and break out of two loops when we've put out the limit of items (#6851)
  • src/lib/bwgQuery.c - lines changed 5, context: html, text, full: html, text
• add a capability to automatically generate a link to the Assembly Gateway page. #6237
  • src/hg/lib/hVarSubst.c - lines changed 9, context: html, text, full: html, text