Commits for braney

v261_base to v262_preview (2012-01-03 to 2012-01-10) v262

• a fix for a compiler warning found on 32-bit linux
  • src/lib/blackList.c - lines changed 1, context: html, text, full: html, text
• SAMDIR directory needs to have $MACHTYPE in it.
  • src/inc/common.mk - lines changed 1, context: html, text, full: html, text
• rebuild uc genes CDS FASTA downloads again (#5004)
  • src/hg/makeDb/doc/hg19.txt - lines changed 7, context: html, text, full: html, text
• support the nextItem button on custom bigBed tracks (#947)
  • src/hg/hgTracks/hgTracks.c - lines changed 3, context: html, text, full: html, text
• v262 preview1
  • src/utils/qa/weeklybld/buildEnv.csh - lines changed 2, context: html, text, full: html, text