remove format selection, add preview code
text input is now not dependent on format
just detect format now, don't check against user input
change order of VEP formats, move HGVS and pileup to the end
add JS to get VEP results preview from REST API
make a few things more robust to failure
make assembly easier to find from JS, change button text
update docs for instant-vep
update screenshot for input section
change button name
a few fixes, optimisations and comments
Merge branch 'feature/instant-vep'