Updated CMS_NODE_API, with status, not_published, published and trashed.
Updated Form response to use permission scopes.
Updated sqlquery to retrieve user author.
Added logger info in cms_response
Updated CMS_NODE with a new status attribute.
Updated table nodes to support trashing (or soft deletes) of node using the new status field
Updated Sqlite builder to test different scenarios for users and roles.
Updated NODE_FORM_RESPONSE.edit_form feature to add a delete operation
if there is a node ie node id >0 and the current user has delete permission on it.
Updated NODE_HANDLER.do_post to handle the operation "DELETE".
Updated queries to retrieve nodes filter by no logical deleted rows (ie. status is trashed).
Signed-off-by: jvelilla <javier.hector@gmail.com>
