v0.016

    Switch ref genomes for bwa and blast to scratch109
make gene_adaptor available though ensembl util
allow multi exon targeting with gibson designs
add tests for new multi exon targets for gibson designs
modify design data files to deal with change in name to exon name parameters
modify the way the oligo close to exon check to take into account the multiple targeted exons
take into account multi exon targest when setting log NDC value
fix perlcritic issue

    Allow multi exon targeting for gibson designs