Updated composer.json to support symfony 2.3
Updated composer.json to support symfony 2.3

azzra/aceeditor-bundle,andrescevp/aceeditor-bundle,andrescevp/aceeditor-bundle,norzechowicz/aceeditor-bundle,azzra/aceeditor-bundle,thomasez/aceeditor-bundle,thomasez/aceeditor-bundle,thomasez/aceeditor-bundle,norzechowicz/aceeditor-bundle,okulbilisim/aceeditor-bundle,okulbilisim/aceeditor-bundle,azzra/aceeditor-bundle,okulbilisim/aceeditor-bundle,andrescevp/aceeditor-bundle