Merge branch 'refactor/blocks'

Gemfile

Gemfile.lock

app/assets/javascripts/admin.js

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

app/assets/stylesheets/admin.sass

app/assets/stylesheets/commons/_summernote.sass

app/controllers/admin/application_controller.rb

app/controllers/admin/communication/blocks_controller.rb

app/helpers/admin/application_helper.rb

app/helpers/admin/blocks_helper.rb

app/models/communication/block.rb

app/models/communication/block/component/array.rb

app/models/communication/block/component/base.rb

app/models/communication/block/component/boolean.rb

app/models/communication/block/component/category.rb

app/models/communication/block/component/code.rb

app/models/communication/block/component/file.rb

app/models/communication/block/component/image.rb

app/models/communication/block/component/layout.rb

app/models/communication/block/component/number.rb