Merge branch 'develop' into refactor/notification_settings

CHANGELOG.md

README.md

docs/USER_GUIDE.md

package.json

src/App.js

src/App.scss

src/App.vue

src/boot/after_store.js

src/boot/routes.js

src/components/account_actions/account_actions.vue

...omponents/async_component_error/async_component_error.vue

src/components/domain_mute_card/domain_mute_card.js

src/components/domain_mute_card/domain_mute_card.vue

src/components/emoji_input/suggestor.js

src/components/extra_buttons/extra_buttons.vue

src/components/gallery/gallery.vue

...terface_language_switcher/interface_language_switcher.vue

src/components/media_modal/media_modal.js

src/components/media_upload/media_upload.js

src/components/media_upload/media_upload.vue