v0.079

    Re-organised main menues.
    Final Pick type plates now used for reports and summaries where projects are single targeted.
    Added design_targets table.
modify design targets table to store gene_id
make sure design targets are unique on ensembl exon id for a given build, add tests for this,
modify code to deal with new / renamed columns

    Modify design_targets table to add gene_id, rename gene_name to marker_symbol.
    Add checks to make sure design_targets are unique on ensembl exon id for a given build.