Commits for markd

v316_preview2 to v316_base (2015-05-04 to 2015-05-11) v316

• Generate error rather than SEGV if genomeClade is not found (no redmine)
  
  • src/hg/lib/hdb.c - lines changed 2, context: html, text, full: html, text
• drop grp table before attempting to create (no redmine)
  
  • src/hg/lib/grp.sql - lines changed 1, context: html, text, full: html, text