Updating the HTML5 Boilerplate code

* added a new minimal-ui viewport setting. iOS specific. minimizes browser chrome.
* removed IE9 conditional script. targeting older IE should be done via the the IE conditional. There really shouldn't be a need to target IE9 specifically. If so, an individual project can add a conditional script. Let's keep this lean.
* updated browsehappy statement
* removed some whitespace
* updated Google Analytics tracking code. Sites using the older version of analytics will need the old code added back.

* cleanup

* general updates