Update Sonata SEO version 2.1 -> 1.1
Add wysiwyg class for textarea
Correct modal scroll
#102: Add page listing action for WYSIWYG
#106 : enable menu drag and drop on page administration
#102: parse wysiwyg content to replace internal links
 #97 : add new ajax block
 * use a route in place a url
 * add comment
Merge pull request #107 from prestaconcept/issue_97_add_ajax_block

 #97 : add new ajax block