Git commits in Moodle 2.1.5 by Charles Fulton

commit f6f1c2aed8979e87cc73529fb034dd6a8479dbcf
Author: Charles Fulton <mackensen@gmail.com>
Date:   Sat, 03 Mar 2012 00:03:09 +0800
Tag:    v2.1.5

MDL-24235 bennu: remove dependency on mbstring from library


commit 1feed43c45340a19da0bd091392ccd3c555e3aa1
Author: Charles Fulton <mackensen@gmail.com>
Date:   Wed, 29 Feb 2012 21:17:34 +0800
Tag:    v2.1.5

MDL-31806 tags: remove second occurrence of id in query string


commit 57aefd21245f7cefb31c05c21ab45306c6366508
Author: Charles Fulton <mackensen@gmail.com>
Date:   Tue, 14 Feb 2012 22:02:12 +0800
Tag:    v2.1.5

MDL-29402 QandA forum questions should be emailed


commit 1ad5b57173484b0bbda36991f278c641d4e72b7f
Author: Charles Fulton <mackensen@gmail.com>
Date:   Mon, 16 Jan 2012 02:32:47 +0800
Tag:    v2.1.5

MDL-25883 correct element name for wiki comments editor