Commits for max

v323_preview2 to v323_base (2015-09-28 to 2015-10-05) v323

• adding limits.h that Braney forgot to add
  
  • src/lib/bbiWrite.c - lines changed 1, context: html, text, full: html, text
• adding docs for URL parameters
  
  • src/hg/htdocs/goldenPath/help/customTrackText.html - lines changed 14, context: html, text, full: html, text
• adding highlight suggested by BrianR
  
  • src/hg/htdocs/goldenPath/help/customTrackText.html - lines changed 1, context: html, text, full: html, text
• adding hgRenderTracks note to URL documentation, may be useful in this
  context, refs #16106
  
  • src/hg/htdocs/goldenPath/help/customTrackText.html - lines changed 3, context: html, text, full: html, text