add itemTitleKeys to config and move getItemTitle to its own file, use everywhere title strings are used

static/js/getItemTitle.js

@@ -0,0 +1,13 @@
+'use strict';
+
+pandora.getItemTitle = function(itemData, includeYear) {
+    return (itemData.title || Ox._('Untitled')) + (
+        Ox.len(itemData.director) || (includeYear && itemData.year)
+        ? ' (' + (
+            Ox.len(itemData.director)
+            ? itemData.director
+            : [Ox._('Unknown Director')]
+        ).join(', ') + ')'
+        : ''
+    ) + (includeYear && itemData.year ? ' ' + itemData.year : '')
+};