Git commits in Moodle 2.3.x by Chris Scribner

commit f2b7928df7b043b5f895b76b2b988ff82d8906a5
Author: Chris Scribner <scriby@gmail.com>
Date:   Thu, 14 Jun 2012 02:19:35 +0800
Tag:    v2.3.1

MDL-32614: Removing code which disassociated LTI instances from their tool types upon restore.

commit bc2a92aedacbb798dc6049fa5fadc3c1f5c479e6
Author: Chris Scribner <scriby@gmail.com>
Date:   Fri, 11 May 2012 00:07:13 +0800
Tag:    v2.3.0-beta

MDL-32921: Fixing an issue with adding LTI tool providers from the admin UI

commit 66c1441213a1893981a37669bfd0e154002178f6
Author: Chris Scribner <scriby@gmail.com>
Date:   Thu, 10 May 2012 21:43:23 +0800
Tag:    v2.3.0-beta

MDL-31657: Remove some unused LTI localization strings

commit 78f3381eb48522d1c38f1f9951ac228b1bbae7f2
Author: Chris Scribner <scriby@gmail.com>
Date:   Tue, 24 Apr 2012 22:48:47 +0800
Tag:    v2.3.5

Fixing an issue with not sending the launch_presentation_return_url