Modify controllers/models to use sql_where
- Return nil if condition_array is empty, otherwize parameterize array
Hack - remove first item in array if multi-item select returns additional blank
Hack - remove first item in array if multi-item select returns additional blank
Merge branch 'r3_upgrade_sue' of https://github.com/suegrimes/seqLIMS.git into r3_upgrade_sue
Merge remote-tracking branch 'origin/r3_upgrade_sue' into r3_upgrade_jen2