DAR-712, add choose type dropdown to preview
DAR-712, add massages to i18n nad JS
DAR-712, fix dropdown placement
DAR-712: move editor preview dialog to amd module
DAR-712 small code fix
Merge pull request #1389 from Wikia/DAR-712-preview-module

Dar 712 preview module
DAR-712 fixing JS messages in preview module
DAR-712 removing some test code from preview module
created extension, moved template
moved messages to the right extension
moved js file to the extension
load three more standard messages
Merge pull request #1393 from Wikia/DAR-712-edit-preview-extension

DAR-712 EditPreview extension
DAR-712 fixing categories in editor preview
DAR 712 one callback for fetching article preview
DAR-712, fix dropdown styles
DAR-712, refactor dropdown template
DAR-712, add missing js file
DAAR-712, Fix transition problem
DAR-712, remove file duplicate