Updated CMS with Login Module.

-- The module handle basic_auth (at the moment).
     -- Handle login, logout, register user, activate/reactivate an account, password recovery.
     -- Send notification emails.

CMS Updates
     -- Added a new service: email.
     -- Updated Basic Auth Module to handle logout based on the browser type.
     -- Updated persistence layer to save and remove and query activation token and password token.
     -- Updated CMS_USER to handle status {active, not_active, trashed}.
     -- Updated MySQL scripts to be in sync with SQLite scripts

library/persistence/mysql/scripts/node.sql

@@ -0,0 +1,24 @@
+BEGIN;
+
+CREATE TABLE  nodes (
+   nid  INTEGER PRIMARY KEY  AUTO_INCREMENT NOT NULL CHECK( nid >=0),
+   revision  INTEGER,
+   type  TEXT NOT NULL,
+   title  VARCHAR(255) NOT NULL,
+   summary  TEXT,
+   content  MEDIUMTEXT NOT NULL,
+   format  VARCHAR(255),
+   author  INTEGER,
+   publish  DATETIME,
+   created  DATETIME NOT NULL,
+   changed  DATETIME NOT NULL,
+   status   INTEGER
+);
+
+CREATE TABLE page_nodes(
+   nid  INTEGER PRIMARY KEY  AUTO_INCREMENT NOT NULL CHECK( nid >=0),
+   revision  INTEGER,
+   parent  INTEGER
+);
+
+COMMIT;