Private repos and restart builds

[doublejosh]

Updated the library to allow public repos in order to allow restarting builds via API. Found trouble using the file_get_contents() with authentication headers from within a framework. Curl is better for such things... and POST requests.

Notes:

• Added a setApiUrlPrivate() function and private variable.
• Added a tokenAuthListener to extend Buzz and allow the correct authorization header.
• Added both a $clientInterface for curl, and $token param in the __construct() function, which uses an event listener in the Buzz library.
• Run private API requests through the Curl interface.
• Added a new $client->restartBuild($build) method.

See here:

• /src/Travis/Client.php
• /src/Travis/Client/Listener/TokenAuthListener.php

Addresses:

• Method to restart a past build #7
• any plan to integrate support for private accounts? #4

[iamEAP]

Seems like you might want to move Client::restartBuild($build), to maybe Build::restart() that uses $build->id internally.

That way you could do something like...

$repository = $client->fetchRepository('org/repo-name');
$repsotory->getLastBuild()->restart();

[doublejosh]

Because there is no instance of $client within a Build there are two options:

1. Pass the client to the build (ok) $repsotory->getLastBuild()->restart($client);
2. Add a __construct() to both Repository and Build that includes $client, and enable directly calling $build->restart(); (better)

Suggesting going for the full meal deal and allow for Travis objects to perform operations. The build restart action is just the first of many. Question: it ok to go forward with this pull request before doing so?

[doublejosh]

A new API endpoint is almost available to restart builds...
https://gist.github.com/carlad/24a0d697e885a7d1b0c7

[doublejosh]

Work linking to my fork, which is mostly to accomplish this...
https://github.com/tableau-mkt/php-travis-client

[rolebi]

What is left to be done here ? Would love to help if necessary : )