Need to configure _.templateSettings in converse.js

The tpl configuration in main.js is only for externally loaded templates, if we
use inline templates (as is the case with the room invite feature), we need to
configure _.templateSettings as well.

converse.js

@@ -32,6 +32,15 @@
         console = { log: function () {}, error: function () {} };
     }
     
+    // Configuration of underscore templates (this config is distict to the
+    // config of requirejs-tpl in main.js). This one is for normal inline
+    // templates.
+    // Use Mustache style syntax for variable interpolation
+    _.templateSettings = {
+        evaluate : /\{\[([\s\S]+?)\]\}/g,
+        interpolate : /\{\{([\s\S]+?)\}\}/g
+    };
+
     // TODO: these non-backbone methods should all be moved to utils.
     $.fn.addHyperlinks = function() {
         if (this.length > 0) {

main.js

@@ -104,6 +104,7 @@ config = {
     },
 
     tpl: {
+        // Configuration for requirejs-tpl
         // Use Mustache style syntax for variable interpolation
         templateSettings: {
             evaluate : /\{\[([\s\S]+?)\]\}/g,