Allow natural multi-line code evaluation in templates.

By escaping `\r`, `\n`, and `\t` earlier, we can unescape
them along with backslashes and single quotes allowing
for the inclusion of single line comments and code without
a terminating semicolon.

test/utility.js

@@ -1,6 +1,14 @@
 $(document).ready(function() {
 
-  module("Utility");
+  var templateSettings = _.templateSettings;
+
+  module("Utility", {
+
+    teardown: function() {
+      _.templateSettings = templateSettings;
+    }
+
+  });
 
   test("utility: noConflict", function() {
     var underscore = _.noConflict();