Merge branch 'master' into 1535-linting-elements-1

.editorconfig

.eslintrc

README.md

package.json

scripts/check_translations.js

src/app/components/App.scss

src/app/components/cards/PostSummary.jsx

src/app/components/cards/PostSummary.scss

src/app/components/elements/HorizontalMenu.scss

src/app/components/elements/ReplyEditor.jsx

src/app/components/modules/ConfirmTransactionForm.jsx

src/app/components/modules/Header.jsx

src/app/components/modules/Header.scss

src/app/components/modules/LoginForm.jsx

src/app/components/modules/LoginForm.scss

src/app/components/modules/Powerdown.jsx

src/app/components/modules/TopRightMenu.scss

src/app/locales/en.json

src/app/locales/es.json

src/app/locales/ru.json