Commits for braney

v279_base to v280_preview (2013-02-12 to 2013-02-19) v280

• fix problem with lmCloneString not handling a NULL input correctly (#10199)
  • src/inc/localmem.h - lines changed 3, context: html, text, full: html, text
  • src/lib/localmem.c - lines changed 9, context: html, text, full: html, text
• change twoBit library to use either UDC or stdio. #8072
  • src/inc/twoBit.h - lines changed 15, context: html, text, full: html, text
  • src/lib/twoBit.c - lines changed 195, context: html, text, full: html, text
• changes to UDC to support twoBit library using it #8072
  • src/inc/udc.h - lines changed 10, context: html, text, full: html, text
  • src/lib/udc.c - lines changed 22, context: html, text, full: html, text
• changes necessary to support assembly hubs (#8072)
  • src/hg/hgCustom/hgCustom.c - lines changed 4, context: html, text, full: html, text
  • src/hg/hgGateway/hgGateway.c - lines changed 6, context: html, text, full: html, text
  • src/hg/hgHubConnect/hgHubConnect.c - lines changed 2, context: html, text, full: html, text
  • src/hg/hgTables/bedList.c - lines changed 1, context: html, text, full: html, text
  • src/hg/hgTables/filterFields.c - lines changed 12, context: html, text, full: html, text
  • src/hg/hgTables/hgTables.c - lines changed 52, context: html, text, full: html, text
  • src/hg/hgTables/joining.c - lines changed 10, context: html, text, full: html, text
  • src/hg/hgTables/mainPage.c - lines changed 8, context: html, text, full: html, text
  • src/hg/hgTracks/config.c - lines changed 3, context: html, text, full: html, text
  • src/hg/hgTracks/hgTracks.c - lines changed 23, context: html, text, full: html, text
  • src/hg/hgTracks/mainMain.c - lines changed 1, context: html, text, full: html, text
  • src/hg/hgc/bamClick.c - lines changed 3, context: html, text, full: html, text
  • src/hg/hgc/hgc.c - lines changed 9, context: html, text, full: html, text
  • src/hg/inc/hubConnect.h - lines changed 8, context: html, text, full: html, text
  • src/hg/inc/trackHub.h - lines changed 59, context: html, text, full: html, text
  • src/hg/lib/cart.c - lines changed 8, context: html, text, full: html, text
  • src/hg/lib/hdb.c - lines changed 91, context: html, text, full: html, text
  • src/hg/lib/hgFind.c - lines changed 14, context: html, text, full: html, text
  • src/hg/lib/hubConnect.c - lines changed 41, context: html, text, full: html, text
  • src/hg/lib/hui.c - lines changed 7, context: html, text, full: html, text
  • src/hg/lib/mdb.c - lines changed 3, context: html, text, full: html, text
  • src/hg/lib/trackHub.c - lines changed 368, context: html, text, full: html, text
  • src/hg/lib/trackVersion.c - lines changed 2, context: html, text, full: html, text
  • src/hg/lib/web.c - lines changed 16, context: html, text, full: html, text
• oops, left out an include #8072
  • src/hg/hgGateway/hgGateway.c - lines changed 1, context: html, text, full: html, text