ENYO-393: Made locale string comparison case-insensitive.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #93 from enyojs/ENYO-393-aarontam-2.5.1-release

ENYO-393: Made locale string comparison case-insensitive. (2.5.1-release)

Integrated-By: Aaron Tam (aaron.tam@lge.com)