Git commits in Moodle 1.7.6 by stronk7

commit 979078fd7e32cd49c77fdbb781c0e5b3e7b6a338
Author: stronk7 <stronk7>
Date:   Fri, 26 Sep 2008 17:50:11 +0800
Tag:    v1.7.6

Backporting MDL-15896 (tabs and recent activity) from HEAD


commit 5cb0b4571bd9027343c94120c6b417d5566ccbd5
Author: stronk7 <stronk7>
Date:   Fri, 26 Sep 2008 06:38:19 +0800
Tag:    v1.7.6

Protect message settings with sesskey. MDL-16688 ; backported from 18_STABLE