Git merges in Moodle 2.3.x by Marina Glancy

commit 8d296ea5e4c6787efd10eff767780d8a5fbec575
Author: Marina Glancy <marina@moodle.com>
Date:   Wed, 10 Jul 2013 10:05:16 +0800
Tag:    v2.3.9

Merge branch 'm23_MDL-39832_Fix_Chrome_Issues_ETag_XSendfile_2ndRound' of https://github.com/scara/moodle into MOODLE_23_STABLE

commit 319b3293676e9fd4ab4f2cf0f7ff9598d9db3f8c
Author: Marina Glancy <marina@moodle.com>
Date:   Tue, 18 Jun 2013 13:41:36 +0800
Tag:    v2.3.8

Merge branch 'MDL-40207-23' of git://github.com/danpoltawski/moodle into MOODLE_23_STABLE

commit 3ad26c86eb6185b93ccde89acfafbf6b1f99cffa
Author: Marina Glancy <marina@moodle.com>
Date:   Tue, 18 Jun 2013 12:11:54 +0800
Tag:    v2.3.8

Merge branch 'MDL-39650-23' of git://github.com/FMCorz/moodle into MOODLE_23_STABLE

commit ade9bbc32e162b4bf76a71c52cd591902cc09121
Author: Marina Glancy <marina@moodle.com>
Date:   Tue, 18 Jun 2013 10:54:40 +0800
Tag:    v2.3.8

Merge branch 'MDL-40165-m23' of git://github.com/andrewnicols/moodle into MOODLE_23_STABLE

commit 30b38ce4fa3b41789e9475812db867497d30224e
Author: Marina Glancy <marina@moodle.com>
Date:   Tue, 18 Jun 2013 09:15:54 +0800
Tag:    v2.3.8

Merge branch 'MDL-38079_23' of git://github.com/mr-russ/moodle into MOODLE_23_STABLE

commit d5bba86435a48140c0c7e13707ba758224d38f4e
Author: Marina Glancy <marina@moodle.com>
Date:   Tue, 11 Jun 2013 10:12:36 +0800
Tag:    v2.3.8

Merge branch 'MDL-39412_23' of git://github.com/timhunt/moodle into MOODLE_23_STABLE

commit 55711b0a0d25b48037930fd2e4195556ff08db33
Author: Marina Glancy <marina@moodle.com>
Date:   Mon, 21 May 2012 18:17:25 +0800
Tag:    v2.3.0-beta

Merge pull request #4 from mudrd8mz/wip-files23-fixes