Store only one interacting gene per annotation

Update to DB version 8
Update to version v785
Reuse old creation_date when split interactions
Update to version v786
Add a multi gene select template
Working multi_gene_select form and gene page link
Add a cancel button to multi gene select form
Use Chained for annotation starting at /gene/<num>
Better use of chaining for new annotation action
More fixes for chaining of annotation calls
Fix capitalisation of type for multi-allele
Fix workflow as far as /multi_allele_select
Start a multi allele select page
Fix JSLint warnings
AlleleDialog now appears if button pushed
Remove AlleleStuff object
Hide empty genotype table, add finish button
Add button now adds a row to the allele table
Add open() method to AlleleDialog
Remove test data