Added Handler to show the current trash nodes for a given user.
An admin can see all the trash nodes.
Updated storage to handle trash and revert nodes.
Refactored CMS_MODULE.router (..): WSF_ROUTER design,
to create only one router object of type CMS_ROUTER.
Added optional CMS_NODE.link: CMS_LOCAL_LINK
Reviewed permissions related to node module.
Refactor and add CMS_STORAGE_SQL(_BUILDER) abstractions
for implementation relying only on SQL statements.
Factorized sql builder initialization (to work for sqlite and mysql storage builders).
Added CMS_RESPONSE.formatted_string (a_text: READABLE_STRING_GENERAL; args: TUPLE): STRING_32
Added function "translation", but not implemented for now.
Updated indexing notes and comments.
Code cleaning.
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>
