update regexes list with the ones from Mobile_Detect

[serbanghita]

I checked your regex list and I may suggest that you update it with the one from https://github.com/serbanghita/Mobile-Detect/blob/master/Mobile_Detect.php

Since I don't know Ruby it's hard to make a contribution to mobile-fu.

[benlangfeld]

This project is abandoned. Please see the active fork at http://github.com/benlangfeld/mobile-fu. Please test with the released gem and master branch of the new home for the project, and file an issue on the other repo if you still have problems.

See #40.