closes #36

Grabs rel values from both HTTP headers and link tags and merges them together, and resolves any relative values. Also returns the final URL requested and the HTTP response.

they are part of the reposted object instead.

closes #27

closes #24

* closes #23
* major refactor of the methods for extracting properties to consolidate the logic
* hReview parsing is incomplete due to issues with the php-mf2 backcompat parsing. see https://github.com/indieweb/php-mf2/issues/107

closes #16

* 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

release script builds a zip file for releases

* adds .htaccess files for apache
* adds installation instructions and nginx example
* prevent source folders from being viewed with .htaccess
* adds `index.php` in root folder in case you deploy this whole thing to a subfolder
* updates to work when installed in a subfolder

removed semantic-ui and other unused libraries

loading the home page is now only a single HTTP request

this allows you to use XRay without creating a config file using its default settings (currently only caching disabled)

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

:headdesk:

attempting to fix in php 5.5

closes #18

if the photo has a location, the timezone is set on the published date

If the input URL contains a fragment, finds the DOM tree at that ID and runs the subtree through the mf2 parser.

closes #15

* fields that should be URLs will now be omitted if the value was not a URL, such as when the value is `javascript:alert()`
* makes Mf2 class slightly more self-contained by duplicating the URL helper functions into it
* fixes tests to not cache responses in memcache