Added checking for crispr_primers->error_flag

When Primer3 has failed to generate primers, OligoSelection
sets the error_flag for that well to 'fail'. At this point, genration of
any other primers is prevented by checking the flag.
Merge branch 'david'
Merge branch 'david'
Merge branch 'david'
Updated create crispr csv
Merge branch 'master' of github.com:htgt/LIMS2-Scripts
Added a few scripts I had lying around