added some plate report tests
allow any backbone for humam int_recom process
crispr assembly plate templates now have 96 wells
delete fixture data from nucleases and process_nuclease tables
Merge branch 'devel' of github.com:htgt/LIMS2-WebApp into devel
Merge branch 'devel' into crispr_reports
v0.173

    OligoSelection util module added
    Accepted crisprs or crispr pairs (well locations) shown on final and final pick vector plate reportsd
    Gene sponsors shown on plate reports alongside gene IDs and symbols
added DNA plate to crispr assembly workflow
process creation tests now working for DNA->ASSEMBLY workflow change
updated summary generation tests and fixtures for new workflow
Merge branch 'devel'
    Crispr assembly plate must now be created from DNA plates