Merge pull request #972 from noesya/headings

Gemfile.lock

README.md

app/assets/images/admin/placeholder.png

app/assets/javascripts/admin/commons/batch_selectable.js

app/assets/javascripts/admin/commons/content_editor.js

...ssets/javascripts/admin/commons/content_editor/element.js

app/assets/javascripts/admin/communication/websites.js

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

app/assets/javascripts/admin/pure.js

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

app/assets/stylesheets/admin/commons/content-editor.sass

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

app/assets/stylesheets/admin/pure/grid.sass

app/assets/stylesheets/admin/pure/mixins.sass

app/assets/stylesheets/admin/pure/navigation.sass

app/assets/stylesheets/admin/pure/style.sass

...lers/admin/communication/blocks/application_controller.rb

...rollers/admin/communication/blocks/headings_controller.rb

app/controllers/admin/communication/blocks_controller.rb

app/controllers/application_controller/with_domain.rb