ginatrapani/ThinkUp — pull request #1841 by shahdevansh (2014-03-09 15:40:35+00:00)
Title: mbString check added. Update class.Installer.php

mbstring checked while installation. Some linux flavours like CentOS do not have it preinstalled.
https://groups.google.com/forum/?hl=en#!topic/thinkupapp/_Sj2XeJsQZs
Issue #1819