Issue #1943098 by quixxel - Media asset plugin doesn't work with ckeditor 4.0.2

Issue #1950012 by pdeclarens - Ajax error
Issue #1953200 by gifad - Image style linked, and ckeditor
Issue #1952938 by agalitsyn - Asset Widget UI not compatible with multiple fields which uses CKeditor
Issue #1952226 by carks - Strict warning

Embed asset in wysiwyg now have center alignment, new context menu and Ckeditor 4 integration.
Asset widget have last search saved and allows to edit it.