Summary: This moves the version display from the updater component to the titlebar itself, so it'll be shown even in dev mode. This is already useful when using it on platforms like Linux where the updater isn't supported, but will also help when moving to the launcher model. Reviewed By: jknoxville Differential Revision: D13819139 fbshipit-source-id: cbc127b8ccdf932f823bc1f40319f296516dfc31