Updating includes for using OauthPhirehose class

Latest additions of Oauth to examples are not working as `OauthPhirehose.php` was not included.

Commit for addition of Oauth to examples: https://github.com/fennb/phirehose/commit/9e1bbc3d394e3d935931820d85a3fca93b0f87dd

P.S. there are also some removal of whitespace in this commit.