[wp-gsoc] [Summer of Code] #375: Incorrect wp-json.php URL when in sub-directory

[Summer of Code]

#375: Incorrect wp-json.php URL when in sub-directory
------------------------------+---------------------------
 Reporter:  nikolov.tmw       |       Type:  defect
   Status:  new               |   Priority:  normal
Milestone:  2013 Final (1.0)  |  Component:  JSON REST API
 Keywords:                    |
------------------------------+---------------------------
 If you have your WordPress files situated in a sub-directory(let's say
 /wordpress/) all of the URL's that come from `get_json_url()` would be
 like http://example.com/wordpress/wp-json.php - that's obviously not
 correct, since the rewrite rules don't include the "wordpress/" part.

 The solution to this is really simple - just switch `get_site_url()` for
 `get_home_url()` in `plugin.php#126` - pretty much the same function, but
 it returns the URL for the home page of the site, thus making the location
 of wp-json.php correct.

 PS: I hope that's the correct place for this bug report, even though it's
 almost the end of GSoC.

--
Ticket URL: <https://gsoc.trac.wordpress.org/ticket/375>
Summer of Code <https://gsoc.trac.wordpress.org>
My example project