Roll to live (v0.6.0)

New:
* Auto Analytics is now optional & can be disabled via settings
* Auto Analytics now supports Universal Analytics
* Added excludeClass option (to exclude certain links from pjax loading)
* Add returnToTop option to configure if pages loaded via pjax should return the browser scroll position back to the top.
* Add "ready" event, fired on pjax load
* PJAX options for page load made available via event.data in callbacks
* Prettied up and improved test site (using bootstrap theme) + updated info

Bug fixes:
* Fix handle running attach in incorrect page scope, resulting in some #hash urls being ignored when they shouldn't be
* Fix control click not opening pjax links new window
* Fix smartload titles being overwritten
* Fix custom titles not displaying on back button
* Fix pages not default scrolling to the top on load
* Fix broken pages causing error in PJAX-Standalone code

Re-factoring;
* none pushstate browser fall backs now operate in cleaner way (not mixed in with main code)
* Lots of spelling corrections in comments
* Comparisons now done directly rather than via type conversion == vs ===
* Fix multiple jslint issues
* Make parseOptions code more DRY
* Improve readme docs