Redesign Zero info screen

Add oojs-ui ProcessDialog to ZeroInfo
Enable routing with oojs-ui
Update template layout/wording
Fix lint errors
Fix tabs replaced by spaces
Revert some l18n changes
Remove unused lines/messages
Reword and change layout per dfoy
Fix some indent levels/spacing

Change-Id: Ieaa3dcd58b886d43b9d4f8c429bb678db02b89b6
Merge "Redesign Zero info screen"