Pontoon: Update Finnish (fi) localization of AMO Frontend

Localization authors:
- Jiri Grönroos <jiri.gronroos@iki.fi>

Create a RecommendedBadge component (mozilla#7958)

* Create a RecommendedBadge component

* Update story and add RTL support

* Add target="_blank"

* Add icon and attempt to style

* Fix version of storybook-addon-rtl

* fix lint

* Fix test

* Address review comments

* Update hover text

* fix lint

* Make normal and hover colors more different from one another

Pontoon: Update Thai (th) localization of AMO Frontend

Localization authors:
- Top <teerapatxtop@yahoo.com>

Fallback to a default license name when it is null (mozilla#7910)

Fixes #7909

Avoid infinite setState() calls when user logs out (mozilla#7901)

Fixes #7898

Pontoon: Update Chinese (China) (zh-CN) localization of AMO Frontend

Localization authors:
- passionforlife <eloli@foxmail.com>

Pontoon: Update Catalan (ca) localization of AMO Frontend

Localization authors:
- Jordi Serratosa <jordis@softcatala.cat>
- Adolfo Jayme Barrientos <fitoschido@gmail.com>

Pontoon: Update Punjabi (pa-IN) localization of AMO Frontend

Localization authors:
- Sonia <soniasingla.1812@gmail.com>

Fix themes on homepage (mozilla#7745)

Update pytest from 4.3.0 to 4.3.1 (mozilla#7731)