document how browser is provided for a View

We could inject browser when we View.new
but don't need to talk to browser at initialize time.
Provide the browser when pageobject asks to talk to the browser
As late as possible
Selenium::WebDriver api example for sceptics

I was asked if you can use Domkey for WebDriver and bypass Watir api.
Sure, you can. Here is a trivial example.
Watir api is an awesome wrapper for Selenium::WebDriver
Use it. it will make your life easier. Thanks.