Allow Fact app to draw charts

Summary: For any count fact, allow a chart to be drawn. INCREDIBLY POWERFUL DATA ANALYSIS PLATFORM.

Test Plan: Drew a chart of object counts. Drew the Maniphest burn chart.

Reviewers: vrana, btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T1562

Differential Revision: https://secure.phabricator.com/D3099

src/applications/base/PhabricatorApplication.php

@@ -18,6 +18,7 @@
 
 /**
  * @task  info  Application Information
+ * @task  uri   URI Routing
  * @task  fact  Fact Integration
  * @task  meta  Application Management
  * @group apps
@@ -37,6 +38,14 @@ abstract class PhabricatorApplication {
   }
 
 
+/* -(  Application Information  )-------------------------------------------- */
+
+
+  public function getRoutes() {
+    return array();
+  }
+
+
 /* -(  Fact Integration  )--------------------------------------------------- */