Added Kohana Cron https://github.com/cbandy/kohana-cron

includes/kohana/modules/cron/README.markdown

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+# Kohana-Cron
+
+This module provides a way to schedule tasks (jobs) within your Kohana application.
+
+
+## Installation
+
+Step 1: Download the module into your modules subdirectory.
+
+Step 2: Enable the module in your bootstrap file:
+
+	/**
+	 * Enable modules. Modules are referenced by a relative or absolute path.
+	 */
+	Kohana::modules(array(
+		'cron'       => MODPATH.'cron',
+		// 'auth'       => MODPATH.'auth',       // Basic authentication
+		// 'codebench'  => MODPATH.'codebench',  // Benchmarking tool
+		// 'database'   => MODPATH.'database',   // Database access
+		// 'image'      => MODPATH.'image',      // Image manipulation
+		// 'orm'        => MODPATH.'orm',        // Object Relationship Mapping
+		// 'pagination' => MODPATH.'pagination', // Paging of results
+		// 'userguide'  => MODPATH.'userguide',  // User guide and API documentation
+	));
+
+
+Step 3: Make sure the settings in `config/cron.php` are correct for your environment.
+If not, copy the file to `application/config/cron.php` and change the values accordingly.
+
+
+## Usage
+
+In its simplest form, a task is a [PHP callback][1] and times at which it should run.
+To configure a task call `Cron::set($name, array($frequency, $callback))` where
+`$frequency` is a string of date and time fields identical to those found in [crontab][2].
+For example,
+
+	Cron::set('reindex_catalog', array('@daily', 'Catalog::regenerate_index'));
+	Cron::set('calendar_notifications', array('*/5 * * * *', 'Calendar::send_emails'));
+
+Configured tasks are run with their appropriate frequency by calling `Cron::run()`. Call
+this method in your bootstrap file, and you're done!
+
+
+## Advanced Usage
+
+A task can also be an instance of `Cron` that extends `next()` and/or `execute()` as
+needed. Such a task is configured by calling `Cron::set($name, $instance)`.
+
+If you have access to the system crontab, you can run Cron less (or more) than once
+every request. You will need to modify the lines where the request is handled in your
+bootstrap file to prevent extraneous output. The default is:
+
+	/**
+	 * Execute the main request. A source of the URI can be passed, eg: $_SERVER['PATH_INFO'].
+	 * If no source is specified, the URI will be automatically detected.
+	 */
+	echo Request::instance()
+		->execute()
+		->send_headers()
+		->response;
+
+Change it to:
+
+	if ( ! defined('SUPPRESS_REQUEST'))
+	{
+		/**
+		 * Execute the main request. A source of the URI can be passed, eg: $_SERVER['PATH_INFO'].
+		 * If no source is specified, the URI will be automatically detected.
+		 */
+		echo Request::instance()
+			->execute()
+			->send_headers()
+			->response;
+	}
+
+Then set up a system cron job to run your application's Cron once a minute:
+
+	* * * * * /usr/bin/php -f /path/to/kohana/modules/cron/run.php
+
+The included `run.php` should work for most cases, but you are free to call `Cron::run()`
+in any way you see fit.
+
+
+  [1]: http://php.net/manual/language.pseudo-types.php#language.types.callback
+  [2]: http://linux.die.net/man/5/crontab