GitLab

Fixes #463

- do not show URS_taxid in the sequence section
- do not pass timeout to the xref component, just use the default

* New API to SVG file

* New class to render SVG file

* Removing taxid

* Getting SVG image from SecondaryStructureWithLayout class

* SVG render class is not necessary

* Return 404 code for sequences that do not have a layout

* Update comment as the URL is not species-specific