v0.003

    Make min U / D oligo gap parameter option, work out optimal gap value, currently 15%
    Sort block oligo pairs on how close they are to optimal gap value
    Create alternate designs as well as primary design
    Add option to persist these alternate designs to LIMS2
ignore tmp dir
Merge branch 'devel'
remove tmp file from dist
Merge branch 'devel'
Build results of 5deb84b on master