toolbar should ignore ajax calls from self. refs #2080 refs see last paragraph at http://symfony.com/blog/new-in-symfony-2-6-ajax-requests-in-the-web-debug-toolbar
updated changelog for 1.4
Merge pull request #2083 from Guite/1.4

updated changelog for 1.4
correct path to minified jquery-ui
Merge remote-tracking branch 'upstream/1.4' into fos_js-routing_dump
Merge remote-tracking branch 'upstream/1.4' into fos_js-routing_dump