Merge pull request #2590 from metalivedev/2585-addphplib

Fix 2585 and clean up warning in contributing.rst

docs/sources/api/remote_api_client_libraries.rst

@@ -35,3 +35,5 @@ and we will add the libraries here.
 +----------------------+----------------+--------------------------------------------+
 | Go                   | go-dockerclient| https://github.com/fsouza/go-dockerclient  |
 +----------------------+----------------+--------------------------------------------+
+| PHP                  | Alvine         | http://pear.alvine.io/ (alpha)             |
++----------------------+----------------+--------------------------------------------+