Git commits in Moodle 1.9.13 by Petr Skoda

commit 4d3c6ac7d39f4fc52a7ac3002421278bc594172a
Author: Petr Skoda <commits@skodak.org>
Date:   Tue, 26 Jul 2011 17:04:59 +0800
Tag:    v1.9.13

weekly release 1.9.12+

commit 9dce25dea5651764757bd5d78c1e10ce17abe852
Author: Petr Skoda <commits@skodak.org>
Date:   Thu, 21 Jul 2011 17:24:00 +0800
Tag:    v1.9.13

MDL-28411 make sure people understand the difference between groupings and Available for group members only

commit 6bbf934a3e887011ebb2ca0a47c290bf3620cc28
Author: Petr Skoda <commits@skodak.org>
Date:   Tue, 19 Jul 2011 21:20:19 +0800
Tag:    v1.9.13

weekly release 1.9.12+

commit 5c66e926b6d7197a61e888a0c9921f49bd9d27b0
Author: Petr Skoda <commits@skodak.org>
Date:   Tue, 19 Jul 2011 16:15:46 +0800
Tag:    v1.9.13

MDL-27889 use new recaptcha google urls in lang packs