Commits for braney

v283_base to v284_preview (2013-05-07 to 2013-05-14) v284

• fix some typos
  • src/hg/encode3/encodeDataWarehouse/README - lines changed 2, context: html, text, full: html, text
• use ccds 104.0 on hg19
  • src/hg/makeDb/genbank/etc/genbank.conf - lines changed 1, context: html, text, full: html, text
• set the UDC cache dir before calling the cart functions.
  • src/hg/hgBlat/hgBlat.c - lines changed 2, context: html, text, full: html, text
• fixed little typo
  • src/hg/encode3/encodeDataWarehouse/lib/edwLib.c - lines changed 1, context: html, text, full: html, text
• first cut at track item search in track hubs that have bigBed files with a searchIndex field refs #10426
  • src/hg/inc/trackHub.h - lines changed 10, context: html, text, full: html, text
  • src/hg/lib/hdb.c - lines changed 11, context: html, text, full: html, text
  • src/hg/lib/hgFind.c - lines changed 4, context: html, text, full: html, text
  • src/hg/lib/hubConnect.c - lines changed 15, context: html, text, full: html, text
  • src/hg/lib/trackHub.c - lines changed 182, context: html, text, full: html, text
  • src/inc/twoBit.h - lines changed 2, context: html, text, full: html, text
  • src/lib/twoBit.c - lines changed 13, context: html, text, full: html, text