replaces #78

* mf2+html
* mf2+json
* feed+json
* xml
* instagram/facebook/github/xkcd

returns a new property `post-type` next to `type`

closes #25

includes info on feed parsing

replaced example post, closes #30

* 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

* 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

closes #18

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