Fix for: Error occurs when setting a page as homepage.
Updated CKEditor to 4.1.2 (10 Jun 2013).
* Previous version: 4.0.1.1 (20 Feb 2013).
Updated README and CHANGES for Version 0.21.1 Beta.
Merge branch 'master' of github.com:Tuxion/mokuji
Patch 2.
* Fixed a bug that occurred when setting a page as home-page via the configuration tab.
Scoping bug fixed in BaseDBUpdates.

* Fixed a scoping problem with older PHP version in BaseDBUpdates.
* Moved private helper function BaseDBUpdates::vtfn($version) to system helpers.
Patch 3.
* Added more entropy to the generation of random table aliases. Fixes #59.
* Added DocBlocks and better code comments here and there.
Merge branch 'master' of github.com:Tuxion/mokuji

Conflicts:
	CHANGES.md
Modified existing functions to work with PDO:MySql.
Updated readme and package versions for the PDO changes.
Allowed FormBuilder class to be extended, switching private variables to protected.
Merge branch 'master' into core-restructure

Conflicts:
	init.php (solved in mokuji/system/dependencies/init/Tasks.php)
Fixed installing problems.