Merge pull request #51 from vdrey/master

Added Republic Wireless to supported US carriers

lib/providers.js

@@ -15,6 +15,7 @@ module.exports = {
     '%s@txt.att.net',
     '%s@txt.windmobile.ca',
     '%s@vtext.com',
+    '%s@text.republicwireless.com'
 
     //'%s@sms.edgewireless.com',  // slow
   ],