adds shakespeare sample test

bigquery/shakespeare/README.md

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+# Google BigQuery PHP Sample Application
+
+## Description
+
+This simple command-line application demonstrates how to invoke Google BigQuery from PHP.
+
+## Build and Run
+1.  **Enable APIs** - [Enable the BigQuery API](https://console.cloud.google.com/flows/enableapi?apiid=bigquery)
+    and create a new project or select an existing project.
+2.  **Download The Credentials** - Click "Go to credentials" after enabling the APIs. Click "New Credentials"
+    and select "Service Account Key". Create a new service account, use the JSON key type, and
+    select "Create". Once downloaded, set the environment variable `GOOGLE_APPLICATION_CREDENTIALS`
+    to the path of the JSON key that was downloaded.
+3.  **Clone the repo** and cd into this directory
+
+    ```sh
+    $ git clone https://github.com/GoogleCloudPlatform/php-docs-samples
+    $ cd php-docs-samples/bigquery/api
+```
+4.  **Install dependencies** via [Composer](http://getcomposer.org/doc/00-intro.md).
+    Run `php composer.phar install` (if composer is installed locally) or `composer install`
+    (if composer is installed globally).
+5.  Run `php shakespeare.php YOUR_PROJECT_ID` to run the sample.
+```
+
+## Contributing changes
+
+* See [CONTRIBUTING.md](../../CONTRIBUTING.md)
+
+## Licensing
+
+* See [LICENSE](../../LICENSE)

bigquery/shakespeare/composer.json

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+{
+    "require": {
+        "google/cloud": "^0.10.1"
+    }
+}