Commits for galt

v268_preview2 to v268_base (2012-05-29 to 2012-06-05) v268

• fix for #4009, so hgTables identifiers are used in filtering even if no fields from the primary table are selected for output
  • src/hg/hgTables/joining.c - lines changed 25, context: html, text, full: html, text