Commits for galt

v328_base to v329_preview (2016-02-08 to 2016-02-15) v329

• Fixing problem with custom-track bigDataUrl when cloning tracks across windows.
  
  • src/hg/hgTracks/hgTracks.c - lines changed 2, context: html, text, full: html, text
• Workaround for unexpected error: lookup of key [...] in sameItem hash failed
  
  • src/hg/hgTracks/simpleTracks.c - lines changed 5, context: html, text, full: html, text