Merge branch 'develop' into refactor/notification_settings

CHANGELOG.md

src/components/mobile_nav/mobile_nav.js

src/components/post_status_form/post_status_form.js

src/components/settings_modal/tabs/general_tab.vue

src/components/timeline/timeline.js

src/i18n/ar.json

src/i18n/ca.json

src/i18n/cs.json

src/i18n/de.json

src/i18n/en.json

src/i18n/eo.json

src/i18n/es.json

src/i18n/et.json

src/i18n/eu.json

src/i18n/fi.json

src/i18n/fr.json

src/i18n/ga.json

src/i18n/he.json

src/i18n/hu.json

src/i18n/it.json