Git commits in Moodle 2.6.4 by David Mudrák

commit 8ecc049f7f020086c1881bdf573af16cf2d9f9c9
Author: David Mudrák <david@moodle.com>
Date:   Wed, 09 Jul 2014 16:28:56 +0800
Tag:    v2.6.4

MDL-46223 Fix frequently used comments in the marking guide


commit 68299e6154ae41b7e586904fd1b860cad7f65654
Author: David Mudrák <david@moodle.com>
Date:   Wed, 09 Jul 2014 16:21:16 +0800
Tag:    v2.6.4

MDL-46223 Improve the display of marking guide validation message


commit 666248c264642e5ca27601b347fc6913517e2853
Author: David Mudrák <david@moodle.com>
Date:   Mon, 07 Jul 2014 15:52:37 +0800
Tag:    v2.6.4

MDL-46223 Improve the marking guide output


commit 1f8eb0842835bcd1ea72b2d2982e0b5c8bc133bb
Author: David Mudrák <david@moodle.com>
Date:   Mon, 07 Jul 2014 12:38:47 +0800
Tag:    v2.6.4

MDL-46223 Improve the rubric output