Developer credits

Git commits in Moodle 2.3.10 by Petr Škoda

commit 2474203e2b13b1b4a7314855e71bfddbd16bd7d7
Author: Petr Škoda <commits@skodak.org>
Date:   Fri, 08 Nov 2013 16:44:22 +0800
Tag:    v2.3.10

MDL-42780 remove YUI2 uploader

commit b95c8cc1d4b336d080f6a2d76c6e00144894b6fb
Author: Petr Škoda <commits@skodak.org>
Date:   Mon, 04 Nov 2013 11:43:50 +0800
Tag:    v2.3.10

MDL-41941 clean message text

commit fc7c554de6fe8acd548e02b6d3deb8d07f4593ee
Author: Petr Škoda <commits@skodak.org>
Date:   Tue, 08 Oct 2013 03:21:33 +0800
Tag:    v2.3.10

MDL-38743 add private cache headers