allow link navigation

When trying to navigate to a new URL like this:

    window.location.href="glass2.html";

I was getting the error:

    calling startActivity() from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?

I found [the way to fix this](http://stackoverflow.com/questions/20976344/andorid-daydream-sevice-webview-context-requires-the-flag-activity-new-task-fla) on a StackOverflow comment.