patched L::L::DBIxSimple to handle omiholders and placeholders in same query; new dbix-simple.t to test it; moved loop queries to data-maps in activity_data.pl; replace pipe-delimited file with xl file in gallium data for quintiles}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1613 4177bd82-f056-0410-812d-caef170e3fa0
