Software update

Scratchpads version 2.9.13 was released on 29.iv.2020.
https://github.com/NaturalHistoryMuseum/scratchpads2/releases/tag/2.9.13
Release by @alicejenni (https://github.com/alycejenni)

Issues reported or discussed by Myriatrix/Archilegt that contributed to the present release:
1) Enable updating casing of contributors + keywords. Fixes issue #6159.
2) Check the parent vocab is a bio classification when autocompleting. Fixes issue #5631.
3) Account for areas with a different country code. Fixes issue #6178.
4) i18n taxonomy autocomplete includes TIDs. Fixes issue #6149.
5) Added <> to doi regex. Fixes issue #6192.
6) Include .fas files in the list of acceptable formats. Fixes issue #6176.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith