Commits for braney

v309_preview to v309_preview2 (2014-11-10 to 2014-11-17) v309

• catch NULL pointer #14368
  • src/hg/hgTracks/factorSource.c - lines changed 1, context: html, text, full: html, text
• fix variable size problem #14373
  • src/lib/bPlusTree.c - lines changed 3, context: html, text, full: html, text
• add support for bigGenePred custom tracks. #13861
  • src/hg/hgTracks/hgTracks.c - lines changed 3, context: html, text, full: html, text
  • src/hg/lib/customFactory.c - lines changed 19, context: html, text, full: html, text
  • src/hg/lib/genePred.c - lines changed 1, context: html, text, full: html, text
  • src/hg/lib/hui.c - lines changed 1, context: html, text, full: html, text
• add a test self chain track on chr1 only (per David)
  • src/hg/makeDb/trackDb/human/trackDb.ra - lines changed 12, context: html, text, full: html, text
• add support for bigGenePred in hubCheck #14376
  • src/hg/lib/trackHubCheck.c - lines changed 1, context: html, text, full: html, text
• don't fail on missing hg.conf file when asking for conf variables.
  • src/hg/lib/hgConfig.c - lines changed 3, context: html, text, full: html, text
• add swapped version of test self chain on hg38.chr1 (pre david)
  • src/hg/makeDb/trackDb/human/trackDb.ra - lines changed 12, context: html, text, full: html, text