Parsing the NSQ wire format

* Initial commit
  * Add gitignore
  * Add tavis.yml
  * Gruntfile for running tests
  * package.json
* Wire.coffee for parsing nsq wire protocol
  * Tests for wire that are almost identical to the pynsq tests
* FrameBuffer for producing frames given a stream of data.
PR comments addressed

* Removed fat arrow from framebuffer
* Removed unused constants from wire
* Removed unused packages in package.json
* Replaced double quotes in framebuffer_test
Add underscore to package.json
Fix framebuffer tests.
Merge pull request #1 from dudleycarr/nsq-protocol

Parsing the NSQ wire format