Links on 'What's Changing' page should open in new tab

[carettv]

The following links on the What's Changing page should open in a new tab:

https://www.repository.cam.ac.uk/ http://www.wellcome.ac.uk/About-us/Policy/Spotlight-issues/Open-access/Charity-open-access-fund/index.htm http://www.rcuk.ac.uk/research/openaccess/

They should have the link style which indicates it is an external link e.g.

[Coenego]

Resolved at https://github.com/CUL-DigitalServices/avocet-ui/pull/407

[bertpareyn]

Verified and merged.