Merge pull request #917 from noesya/feature/codemirror

app/assets/javascripts/admin/appstack.js

app/assets/javascripts/admin/plugins/codemirror.js

app/assets/javascripts/admin/pure.js

app/assets/stylesheets/admin/appstack.sass

app/assets/stylesheets/admin/commons/codemirror.sass

app/assets/stylesheets/admin/pure.sass

...iews/admin/communication/blocks/components/_edit.html.erb

...admin/communication/blocks/components/code/_edit.html.erb

app/views/admin/communication/blocks/edit.html.erb

app/views/admin/communication/extranets/_form.html.erb

package.json

yarn.lock