Git commits in Moodle 2.6.4 by Damien Bezborodov

commit 4ee23c10bb365bd23ba26464268230a86e8d0700
Author: Damien Bezborodov <dbezborodov@netspot.com.au>
Date:   Wed, 25 Jun 2014 16:03:10 +0800
Tag:    v2.6.4

MDL-45678 assignsubmission_comments: Improve performance for permissions checking

commit 649356958ef1cfffc1ac85cef22a645af324a2c9
Author: Damien Bezborodov <dbezborodov@netspot.com.au>
Date:   Thu, 15 May 2014 09:18:50 +0800
Tag:    v2.6.4

MDL-44634 Regression: link to user profile in comments block fails due to double URI encoding

commit 19602ce718b87bf26a83be30583e091a898e5f8b
Author: Damien Bezborodov <dbezborodov@netspot.com.au>
Date:   Thu, 15 May 2014 09:07:39 +0800
Tag:    v2.6.4

MDL-44634 Regression: link to user profile in comments block fails due to double URI encoding