Git commits in Moodle 2.1.5 by sam marshall

commit bb771fc43b373a0bde9fdf4c3471056fdf38455c
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Thu, 16 Feb 2012 00:01:57 +0800
Tag:    v2.1.5

MDL-31647 Glossary: Links to glossary entries from glossary main page should not be popups

commit effd2830ba4876d806383fc09022daaff1d14a0d
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Thu, 02 Feb 2012 22:21:43 +0800
Tag:    v2.1.5

MDL-31425 Availability: 'Until' time calculation uses server time zone (2.1 only)

commit 0f2d05e79ece58e154b7c1e24722794e6053800e
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Thu, 02 Feb 2012 21:49:35 +0800
Tag:    v2.1.5

MDL-31482 Lib: IE8/IE7 (even with stupid user agent) should not be 'legacy' device type

commit c59e5f07c394b1044da3c18c63e7d10ae01ad173
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Thu, 12 Jan 2012 00:56:03 +0800
Tag:    v2.1.5

MDL-31122 Navigation: Do not show week in navigation if it contains only labels

commit 95e8abfceee47e644e7396364d7fdc80e19671a1
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Wed, 04 Jan 2012 19:44:18 +0800
Tag:    v2.1.5

MDL-31015 File/URL resource 'Open' and 'Force download' options should work consistently