Git commits in Moodle 2.9.0 by Tyler Bannister

commit b175341ed55d25a64e2305c9de029798ed3b6dc9
Author: Tyler Bannister <tyler.bannister@remote-learner.net>
Date:   Tue, 25 Nov 2014 03:20:00 +0800
Tag:    v2.9.0-beta

MDL-34867 report_log: Improved download speed and memory usage.