Mobile layouts for Diffusion

Summary: Implements a new mobile view thats more fullscreen, not boxed, so more space. Fixes issues with mobile tables when scrolling overflowed content.

Test Plan: Test home, branch, tags, code, file browse, graph, compare, history, readme, open revisions, owners.

Reviewers: epriestley

Reviewed By: epriestley

Spies: Korvin

Differential Revision: https://secure.phabricator.com/D18505

src/applications/diffusion/controller/DiffusionGraphController.php

@@ -67,6 +67,7 @@ final class DiffusionGraphController extends DiffusionController {
       ->setHeaderText(pht('History Graph'))
       ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
       ->setTable($graph)
+      ->addClass('diffusion-mobile-view')
       ->setPager($pager);
 
     $tabs = $this->buildTabsView('graph');