router upravena verzia c.1
router
Merge branch 'master' of https://github.com/kenmarito/dart-router
router library name change
router - HashNavigator, History navigator subclasses of PageNavigator
router - change of name from navigateToUrl to changeView.
hashchange event listener change
change of delegateOn handler implementation

Dart change translation to javascript, some previous functions in js
were changed and it influenced results in IE.
HashNavigator - change of implementation, CreateNavigator change of factory method

added Enum NavigatorType
Merge pull request #1 from kenmarito/master

PageNavigator changes