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/core.sql

@@ -0,0 +1,30 @@
+BEGIN;
+
+CREATE TABLE `logs` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `category` VARCHAR(255) NOT NULL,
+  `level` int(11) NOT NULL,
+  `uid` int(11) DEFAULT NULL,
+  `message` text NOT NULL,
+  `info` text,
+  `link` text,
+  `date` datetime NOT NULL,
+  PRIMARY KEY (`id`)
+);
+
+CREATE TABLE   `custom_values`  (
+    `type`   VARCHAR(255) NOT NULL,
+    `name`   VARCHAR(255) NOT NULL,
+    `value`   VARCHAR(255) NOT NULL
+);
+
+CREATE TABLE `path_aliases` (
+  `pid` int(11) NOT NULL AUTO_INCREMENT,
+  `source` varchar(255) NOT NULL,
+  `alias` varchar(255) NOT NULL,
+  `lang` varchar(12) DEFAULT NULL,
+  PRIMARY KEY (`pid`)
+);
+
+COMMIT;
+