Don't set locale if website not exist
Add custom page tree
FormType for presta_cms page tree
Tree and FormType service declaration
Use custom FormType for page tree
Remove debug
Change PageTreeModelType extension method
Retrieve only Page node in getChildren method
Comment and checkstyle
Merge branch 'Issue72_block_edition_cmf_tree' of git://github.com/prestaconcept/PrestaCMSCoreBundle into Issue72_block_edition_cmf_tree

Conflicts:
	Form/Type/PageTreeModelType.php
	Resources/config/config.yml
	Resources/views/Form/fields.html.twig
	Tree/PageTree.php