Fix activity pane z-index when music is playing.

Some new graph types (WIP)
Update font-awesome to 4.4.0

data/interfaces/default/css/plexpy.css

@@ -503,6 +503,7 @@ input[type="color"],
     width:100%;
     height:100%;
     opacity: 0.7;
+    z-index: -999;
 }
 .dashboard-activity-poster-info-bar {
 	position:absolute;