Git commits in Moodle 2.4.8 by Russell Smith

commit 3cc1d4b9fe072b1458c124fa112c146da85272aa
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Wed, 18 Dec 2013 13:48:41 +0800
Tag:    v2.4.8

MDL-41198 lib: Add comment about the changes to srand on adodb

commit a7b9ce4cafefe2f8317da46d1ef361e17e12fbb3
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Fri, 22 Nov 2013 08:34:23 +0800
Tag:    v2.4.8

MDL-41198 lib: Allow PHP to generate random seed on script start

commit 17d617dc665644ae02cf53c232869ec19be48b1f
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Fri, 01 Nov 2013 06:36:05 +0800
Tag:    v2.4.8

MDL-41198 lib: Allow PHP to generate random seed on script start

commit 44eaae9610c467a876b6faefaf8ea0cd7ebabdf8
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Mon, 19 Aug 2013 18:29:21 +0800
Tag:    v2.4.8

MDL-41292 cache: only update identifiers if they change

commit 96e60a978ee5547fee49cb369f1a8690732b1469
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Sun, 30 Jun 2013 18:51:07 +0800
Tag:    v2.4.8

MDL-39725 database: Apply database statistics update to daily stats

commit eb17e8ecd58e51dfbd6fde85ec339af0f7c7a1a3
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Wed, 26 Jun 2013 18:37:42 +0800
Tag:    v2.4.8

MDL-39725 database: Include stats collections in unit tests

commit 18559a0df6e04e9fb683e9e2f885482f344c7108
Author: Russell Smith <mr-russ@smith2001.net>
Date:   Wed, 26 Jun 2013 17:55:02 +0800
Tag:    v2.4.8

MDL-39725 database: Add statistics collection functions