Commits for giardine

v241_base to v242_preview (2010-09-28 to 2010-10-05) v242

• Edits based on code review, and fix for pgSnp custom tracks
  • src/hg/hgTables/schema.c - lines changed 52, context: html, text, full: html, text
  • src/hg/hgTracks/simpleTracks.c - lines changed 89, context: html, text, full: html, text
  • src/hg/lib/pgSnp.c - lines changed 3, context: html, text, full: html, text