Update instructions to get the API key for the G+ sample.
The instructions to obtain the API key are outdated and require some googling to obtain the concrete steps. Pointing to accurate and detailed instructions from the G+ documentation (which should be kept up to date in the face of changes).
<li>Visit the <a href="https://code.google.com/apis/console/?api=plus">Google
apis console</a>
</li>
- <li>If this is your first time, click "Create project..."</li>
- <li>Activate the Google+ API and agree to the terms of service</li>
- <li>Click on "API Access"</li>
- <li>Enter the "API Key" shown under "Simple API Access" into the API_KEY constant.</li>
+ <li>If this is the first you run the sample...</li>
+ <ul>
+ <li>Click "Create project..."</li>
+ <li>Fill out the project info. You can give the project any name (e.g., "Plus Command Line Sample"). Click "Create".</li>
+ </ul>
+ <li>Follow <a href="https://developers.google.com/+/web/api/rest/oauth#acquiring-and-using-an-api-key">these intructions</a> to obtain the API key.</li>
+ <li>Set the API_KEY constant in GooglePlusSample.java to the key gotten in the previous step.</li>
</ul>
<h3>Checkout Instructions</h3>
