Support tiapp.xml blackberry entries using node cli.

Here is a snippet of tiapp.xml and the some sample code that will log parsed values:

// tiapp.xml snippet

...
    <blackberry>
        <orientation>auto</orientation>
        <permissions>
            <permission>access_shared</permission>
            <permission>record_audio</permission>
            <permission>use_camera</permission>
            <permission>access_internet</permission>
            <permission>play_audio</permission>
            <permission>post_notification</permission>          
            <permission>set_audio_volume</permission>
            <permission>read_device_identifying_information</permission>
        </permissions>
    </blackberry>
...


// code snippet

...
    console.log(cli.tiapp.blackberry.orientation['orientation']);

    for (key in cli.tiapp.blackberry.permissions) {
        console.log(key);
    }
...