Merge branch 'do-release-2.0b2' into 'release/2.0'

CHANGELOG.rst

aleksis/core/health_checks.py

aleksis/core/locale/ar/LC_MESSAGES/django.po

aleksis/core/locale/ar/LC_MESSAGES/djangojs.po

aleksis/core/locale/de_DE/LC_MESSAGES/django.po

aleksis/core/locale/de_DE/LC_MESSAGES/djangojs.po

aleksis/core/locale/fr/LC_MESSAGES/django.po

aleksis/core/locale/fr/LC_MESSAGES/djangojs.po

aleksis/core/locale/la/LC_MESSAGES/django.po

aleksis/core/locale/la/LC_MESSAGES/djangojs.po

aleksis/core/locale/nb_NO/LC_MESSAGES/django.po

aleksis/core/locale/nb_NO/LC_MESSAGES/djangojs.po

aleksis/core/locale/tr_TR/LC_MESSAGES/django.po

aleksis/core/locale/tr_TR/LC_MESSAGES/djangojs.po

aleksis/core/menus.py

aleksis/core/preferences.py

aleksis/core/settings.py

aleksis/core/static/js/main.js

aleksis/core/static/style.scss

aleksis/core/templates/core/index.html