Git commits in Moodle 2.5.6 by Jetha Chan

commit 70d1ab21fbb3b32ddede9cee4813dff780938540
Author: Jetha Chan <jetha@moodle.org>
Date:   Wed, 07 May 2014 10:52:51 +0800
Tag:    v2.5.6

MDL-45387 core_form: erroneous escaping on reference list

commit 5946b1c97d1b995de8edc056f8345bb0de316d73
Author: Jetha Chan <jetha@moodle.org>
Date:   Tue, 06 May 2014 15:49:30 +0800
Tag:    v2.5.6

MDL-45290 rubrics: overflow, delete button alignment

commit 1d5e1d566284d9ae19008fe784ee782afd218a8a
Author: Jetha Chan <jetha@moodle.com>
Date:   Mon, 05 May 2014 14:41:43 +0800
Tag:    v2.5.6

MDL-45290 rubric: IE8 and minor fixes, RTL

commit b9323d7989808301a65292e549d7902a51582b44
Author: Jetha Chan <jetha@moodle.org>
Date:   Wed, 30 Apr 2014 15:12:31 +0800
Tag:    v2.5.6

MDL-45290 rubric: visual fixups

commit 030b907bd41e0cd1ba6773c63953fd82481cccc6
Author: Jetha Chan <jetha@moodle.org>
Date:   Wed, 30 Apr 2014 12:25:46 +0800
Tag:    v2.5.6

MDL-36836 filepicker: alfresco select box fix

commit e0e9e2259bf1d7cf89b642a33a6806dbca688fbf
Author: Jetha Chan <jetha@moodle.org>
Date:   Mon, 28 Apr 2014 14:47:13 +0800
Tag:    v2.5.6

MDL-45292 filepicker: improved RTL styles

commit e878836e54740c9fa094a8623920bf79ad0718a0
Author: Jetha Chan <jetha@moodle.org>
Date:   Wed, 16 Apr 2014 15:33:06 +0800
Tag:    v2.5.6

MDL-44951 theme_bootstrapbase: forum post css tweak backport

commit e73e495b774e74f0f8dec1b8fb03077bf68751b1
Author: Jetha Chan <jetha@moodle.com>
Date:   Wed, 19 Mar 2014 11:18:07 +0800
Tag:    v2.5.6

MDL-44582 installer: added check for php json extension

commit a98a915ddf0109be3d8a4f841cb9fa9147a6b9d2
Author: Jetha Chan <jetha@moodle.org>
Date:   Tue, 18 Mar 2014 14:19:36 +0800
Tag:    v2.5.6

MDL-44148 portfolio: set_user_config usage fix