Git commits in Moodle 2.5.5 by Dan Poltawski

commit 1c99db293d0c8516d2aa63a183afa31b64712efc
Author: Dan Poltawski <dan@moodle.com>
Date:   Thu, 06 Mar 2014 09:04:15 +0800
Tag:    v2.5.5

Revert "MDL-43852 Filters Fixed naked-OR conditions."


commit e7c932da99d7e67ceed7d240549da9340a3def9a
Author: Dan Poltawski <dan@moodle.com>
Date:   Wed, 05 Feb 2014 14:38:39 +0800
Tag:    v2.5.5

MDL-42882 upgrade: Improvements to upgrade code


commit ec62826d8d3f5baf4ee1f11308c6a196c5d3c1c2
Author: Dan Poltawski <dan@moodle.com>
Date:   Mon, 03 Feb 2014 12:42:35 +0800
Tag:    v2.5.5

MDL-42882 upgrade: improved SQL query


commit 7ea6574332ed394ea1807dc4a2b4127ae6989898
Author: Dan Poltawski <dan@moodle.com>
Date:   Mon, 03 Feb 2014 12:30:23 +0800
Tag:    v2.5.5

MDL-42882 upgrade: unit tests for root folders upgrade


commit ea8647b39ec9cf1d73e04b05559bd12d97aa5229
Author: Dan Poltawski <dan@moodle.com>
Date:   Tue, 28 Jan 2014 15:20:02 +0800
Tag:    v2.5.5

MDL-43146 enrol_imsenterprise: missing sesskey protection


commit 4468527db9fdeb191909a8f5814711630bfc02db
Author: Dan Poltawski <dan@moodle.com>
Date:   Tue, 14 Jan 2014 14:53:03 +0800
Tag:    v2.5.5

MDL-41062 gradebook: remove sortorder duplicates