v0.116

    Update design target crispr pick report:
        - Choose between picking single or paired crisprs
        - Choice of design linked to crispr / crispr pair is now stored
Added column 'Clone ID' to the Pick Plate reports
Merge branch 'devel' into tg6misc
Added 'Parent Well' column in SFP Plate reports
in simple design target crispr report have a detailed button for both single and paired crisprs
fix hash key name for pair off target data
clean up test file
add code to rank crispr pairs
Migration to add unique constraints to the crispr_pairs and crispr_designs tables. Also fixes insertion error into crispr_pairs table caused by the audit trigger function.
Merge branch 'devel' into gibson_oligo_report

    Update simple design target crispr report, add links to detailed views
        of either single crisprs or crispr pairs.
    Add constraints to the crispr_pair and design_crispr table.
    Fix audit table for crispr_pair
    Add SFP report.