Git commits in Moodle 2.3.x by Tomasz Muras

commit d0bb10027b3c2c40c95387fbca5e952d6b976de6
Author: Tomasz Muras <nexor1984@gmail.com>
Date:   Mon, 24 Sep 2012 01:25:30 +0800
Tag:    v2.3.3

MDL-35547 Fetch more sub-categories with one SQL query.

commit 2ade1b52f9f44ca80aff60da5ec8b325b2f8fc6f
Author: Tomasz Muras <nexor1984@gmail.com>
Date:   Sat, 22 Sep 2012 04:01:06 +0800
Tag:    v2.3.3

MDL-35547 Detect loops in question categories.

commit 24d9d1811f8b91c43a5c604c1eb07eea7c499804
Author: Tomasz Muras <nexor1984@gmail.com>
Date:   Thu, 20 Sep 2012 23:48:14 +0800
Tag:    v2.3.3

MDL-35547 Detect question category pointing to itself as a parent.

commit 04bfa67c4141d6e0aa7df4c3c37c56ce1a4f10bb
Author: Tomasz Muras <nexor1984@gmail.com>
Date:   Fri, 11 May 2012 14:56:01 +0800
Tag:    v2.3.0-beta

MDL-32930 Add escaping for '_' character

commit c92e462b04ec92759cc11cd7161f40cc7c2850f3
Author: Tomasz Muras <nexor1984@gmail.com>
Date:   Fri, 11 May 2012 05:35:18 +0800
Tag:    v2.3.0-beta

MDL-32930 Improve the performance of get_tables

commit 9881439068e63cd93dd653cd05f9aced59f42c20
Author: Tomasz Muras <nexor1984@gmail.com>
Date:   Thu, 23 Feb 2012 19:51:03 +0800
Tag:    v2.3.2

MDL-31753 Get correct course ID for Community finder search link.