patched M::HMRN::update_comment() to look for form content befroe inserting new record, to prevent insert of empty comment field; reduced number of fastcgi process to 3 in preparation for new centre; reduced number of tables in create_core_data.gz}
git-svn-id: https://jti.org.uk/svn/hmds_lims/trunk@1422 4177bd82-f056-0410-812d-caef170e3fa0