Fix whitespaces.
Change PageNavigator to store activePath.
Fix formating mostly in tests.
Refactoring handleViewTransition and unsubcripting from old data.
Test of unsubscription of old data.
Merge pull request #4 from cleandart/feature/page_navigator

Feature/page navigator
Creating initial outline of server router.
Adding dummy test file.
Writing dummy implementation.
Incorporating request.method
Indexing with [routeName, method]
whatever