also expands parsing to be able to handle twitter JSON from the streaming API which is subtly different from the HTTP API.

closes #61

moves XRay classes to `p3k\XRay` namespace

* removes the HTTP classes from this project and uses p3k-http library instead
* reorganizes the XRay classes into a psr-4 compatible folder
* moves controller autoload into -dev in preparation for turning this into a library (#17)

skip image alt text for now

closes #34

they are part of the reposted object instead.

closes #27

* closes #14
* updated readme with details of the response
* includes `url` and `code` in the response with the final URL after following redirects and the HTTP status code returned

apparently some people's profile URLs don't get t.co'd

attempting to fix in php 5.5

closes #18