Comment 8 for bug 1231920

Reviewed: https://reviews.mahara.org/2553
Committed: http://gitorious.org/mahara/mahara/commit/ae9591c2f086cd55b85089e0b62ff6f9527e23a5
Submitter: Aaron Wells (<email address hidden>)
Branch: master

commit ae9591c2f086cd55b85089e0b62ff6f9527e23a5
Author: Robert Lyon <email address hidden>
Date: Fri Jan 3 13:30:45 2014 +1300

Checking case sensitivity for mysql tag tables (bug #1231920)

Compressing array of tags to unique case insensitive values if needed

Eg
array('Test','cat','test','TEST','Cat');

will become
array('Test','cat');

for mysql sites that have case insensitive tables

Change-Id: Idf0b8a4440ef0f9273d5be685cf7ad22fecc746a
Signed-off-by: Robert Lyon <email address hidden>