Commits for greg

v273_preview2 to v273_base (2012-09-11 to 2012-09-18) v273

• Changed css background setting to fix remine #9033...where background image looked funny on pages with little content.
  • src/hg/htdocs/style/HGStyle.css - lines changed 1, context: html, text, full: html, text
• Changed display of tracks per discussion in redmine #8887 comment 30.
  • src/hg/makeDb/trackDb/gibbon/trackDb.ra - lines changed 8, context: html, text, full: html, text