Git commits in Moodle 2.2.3 by Jerome Mouneyrac

commit adca1840c4eb445bdbd67e0cbf09852b3ac507c5
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Tue, 17 Apr 2012 18:08:55 +0800
Tag:    v2.2.3

MDL-30225 Creating new web service tokens create error

commit 6d8e40a429855b239c2c09113a7111b0823ec95d
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Mon, 16 Apr 2012 11:27:10 +0800
Tag:    v2.2.3

MDL-31431 webservices: improve user pic docs

commit e0a57f8cccbfefd6ae5e2ea06a979835e9da5426
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Fri, 13 Apr 2012 14:09:25 +0800
Tag:    v2.2.3

MDL-31762 username should be lowercase and check against PARAM_USERNAME when creating/updating user by web service

commit 2547042fe6e8ec43331b8681f6f22ce72aee5bc7
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Thu, 12 Apr 2012 14:44:16 +0800
Tag:    v2.2.3

MDL-31694 Fix XSS security issue with service name accepting javascript

commit e8a2384eb6e1a667b008050c0ecf1ad3a4a64e50
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Wed, 11 Apr 2012 14:48:14 +0800
Tag:    v2.2.3

MDL-27547 When deleting a local plugin containing a built-in service, the built-in service is not deleted