Install `to_nsq` and use nsq 0.2.30 and go 1.3 by default
Only install to_nsq if we're using 0.2.30 or greater
Updated defaults to NSQ 0.2.30 and Go 1.3
Merge pull request #8 from wistia/master

Added support for the `to_nsq` utility when using NSQ >= 0.2.30