Hotfix: check if ENT_HTML401 is defined ( >= PHP 5.4)
Add: get/set headers in the controller
Some cleaning / indentation
Add: $app['error_handler']
Hotfix: load defaults links, add url_for, json_decode, startsWith, endsWith in twig
Rename silex/ongoo to pgoergler/ongoo
Merge branch 'master' of https://github.com/pgoergler/Ongoo

Conflicts:
	src/Ongoo/Silex/OngooServiceProvider.php
	src/Ongoo/Twig/TwigOngooExtensionProvider.php