Add padding at the end of the Dashboard list

See bug #13140648 Settings needs to support the new Quantum Paper theme

Change-Id: I3aa01a346933eb9269d2466c07b6b5ebd6fc3cc1

res/layout/dashboard.xml

@@ -27,6 +27,7 @@
                 android:id="@+id/dashboard_container"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
+                android:paddingBottom="12dp"
                 android:layout_gravity="center_horizontal"
                 android:orientation="vertical"
                 />