VE-1594: Initial work on single media tool
VE-1594: Move cart UI and logic to widget. Finalize UI
VE-1594: Removing accidental file
VE-1594: Resign from using StackLayout, cart controls always visible
VE-1594: Tool to open single media dialog. i18n.
VE-1594: Export messages for use in VE
Merge pull request #5297 from Wikia/VE-1594

VE-1594: Build the appropriate views of image/video dialog