Git commits in Moodle 2.6.4 by sam marshall

commit d20d8938a71d34ba4806b6c3ae5b8cd11ba03fe0
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Fri, 20 Jun 2014 21:12:58 +0800
Tag:    v2.6.4

MDL-46079 Restore: Can run out of memory in get_records call

commit e1d76a33e387cdc5ad81209be22d1615d69a7146
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Fri, 20 Jun 2014 20:40:29 +0800
Tag:    v2.6.4

MDL-46076 Lib: Allow javascript-static.js to somewhat work in IE7 [2.6]

commit 7aa0860ecaded098e3443b88e9e784f218c4710f
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Thu, 15 May 2014 21:50:24 +0800
Tag:    v2.6.4

MDL-45574 Backup progress: Can time out with large number of files

commit 449693fc432ca0f4a134d3e5af9bde723df87d05
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Wed, 14 May 2014 17:59:49 +0800
Tag:    v2.6.4

MDL-45477 Behat: List of steps takes too long to load, times out

commit d355d1f796fdee37dd1f3810454645d2080f2e7a
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Wed, 14 May 2014 01:43:21 +0800
Tag:    v2.6.4

MDL-45535 CSS chunking breaks media rules if CSS invalid (IE)

commit f6d6df37b6d892570ee95fe4eb1fea621a48ca86
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Thu, 08 May 2014 21:04:35 +0800
Tag:    v2.6.4

MDL-45469 Conditional availability: Restrict by text area broken