Git commits in Moodle 2.5.4 by Eloy Lafuente (stronk7)

commit 612ca7327de71d461c35a545116ee29f1b14e326
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Sat, 11 Jan 2014 01:58:23 +0800
Tag:    v2.5.4

MDL-43590 Revert to previous version

commit 030c6d49dac99f5adeb99a2de14b55cd5278b99e
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Fri, 10 Jan 2014 08:03:23 +0800
Tag:    v2.5.4

MDL-36721 make upgrade queries cross-db

commit 861c69d981389f3238b8176e5e8b5004558f2aa5
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Thu, 19 Dec 2013 09:14:39 +0800
Tag:    v2.5.4

Revert "MDL-43306 restore: fix grade item sortorder restoration"

commit d05e2ff9e637a386b32b0aa052de28ac0473c41a
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Thu, 12 Dec 2013 09:03:41 +0800
Tag:    v2.5.4

MDL-31410 paypal: fix problem on notifications

commit 20776b450f7a2092d2fac15b72454b56ffa66de1
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Fri, 22 Nov 2013 02:33:38 +0800
Tag:    v2.5.4

weekly release 2.5.3+

commit b3f2d75a4741d8a46b9c5d8a989996456e932a02
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Fri, 15 Nov 2013 18:14:58 +0800
Tag:    v2.5.4

weekly release 2.5.3+