Added SCRIPT_ROOT parameter. Fixes #52.

Adds a new javascript parameter that holds the webroot of the app. This
allows the the javascript calls to properly identify that they're
running in a subfolder/different webroot and direct their queries there.

app/templates/user_profile.html

@@ -165,7 +165,7 @@
                 'enable_otp' : enable_otp
             }
         };
-        applyChanges(postdata, '/user/profile');
+        applyChanges(postdata, $SCRIPT_ROOT + '/user/profile');
         location.reload();
     });
 </script>