fixed ng-controller test -- required explicit binding for MainController
Added support for resetStyleInheritance and applyAuthorStyles on shadow root

http://www.html5rocks.com/en/tutorials/webcomponents/shadowdom-201/#toc-
style-inheriting
Merge pull request #19 from pavelgj/ng-controller-test-fix

fixed ng-controller test -- required explicit binding for MainController
Merge pull request #20 from pavelgj/shadowroot-css-options

Added support for resetStyleInheritance and applyAuthorStyles on shadow root