Commits for braney

v325_preview2 to v325_base (2015-11-09 to 2015-11-16) v325

• fix problem that Galt found with leaking sql connections (no redmine)
  
  • src/hg/hgTracks/chainTrack.c - lines changed 8, context: html, text, full: html, text
• more work on bigChain
  
  • src/hg/hgc/hgc.c - lines changed 11, context: html, text, full: html, text
  • src/hg/inc/chainNetDbLoad.h - lines changed 7, context: html, text, full: html, text
  • src/hg/lib/chainNetDbLoad.c - lines changed 74, context: html, text, full: html, text