Git commits in Moodle 2.2.1 by Sam Hemelryk

commit 9e9e0732f5c1130818fd600a1242803b1e4d5e89
Author: Sam Hemelryk <sam@moodle.com>
Date:   Thu, 22 Dec 2011 06:22:59 +0800
Tag:    v2.2.1

MDL-30639 mod_lesson: Used a consistent format for users display of answer

commit a5f35b4cf2cb104fe57a38b36c0f2dcfcce83377
Author: Sam Hemelryk <sam@moodle.com>
Date:   Fri, 16 Dec 2011 12:16:47 +0800
Tag:    v2.2.1

MDL-30770 admin: Fixed notice about missing variable

commit 28a655257073c3aa39fa38f719b5998d2421dfe0
Author: Sam Hemelryk <sam@moodle.com>
Date:   Tue, 06 Dec 2011 08:32:59 +0800
Tag:    v2.2.1

MDL-30582 navigation: Fixed regression in generation of front page modules

commit a9cc3954b9ca2ea2d0b88b258ff649712d357dc3
Author: Sam Hemelryk <sam@moodle.com>
Date:   Fri, 02 Dec 2011 07:14:33 +0800
Tag:    v2.2.1

MDL-30222 Fixed home page redirection madness. Thank you Julien Boulen for providing the solution

commit 6f2d62d022bec52dbf3bbb9d084d4fbc575a7db3
Author: Sam Hemelryk <sam@moodle.com>
Date:   Thu, 29 Sep 2011 12:07:16 +0800
Tag:    v2.2.1

MDL-27767 install: Shows notifications rather than throwing exceptions when installation encounters unexpected id for guest or admin