Proposed v1.0.0 with relaxed lookup

[coolaj86]

To address issue #2 I've added mms address lookup.

Also, lookups are less sensitive. For example, the gateways for "AT&T" can be lookup by the string "AT&T Mobility" or simply "att".

The current functionality still works, but I didn't bother to document it, since it should be deprecated moving forward.

The only things that aren't 100% backwards compatible:

• I updated some gateway addresses to the current addresses (i.e. the Alaska gateway address seemed old / incorrect)
• require('sms-address').carriers gives a short name as a key (i.e. "verizon" instead of "Verizon Wireless"), but I can change that back if necessary.

[coolaj86]

Also, for legacy purposes I created the file historic.js which contains all the carriers I found online, but none of which my application has yet to encounter.

I've only run about 2,000 numbers through ported number checking so far and all of the carriers that I found in that sample are in the file in-the-wild.js. As I encounter more carriers I'll move them over, but I want to maintain a distinction between companies that were bought out years ago and the ones currently in the wild.