docs(state): wip documentation for state service
docs(state): finishes documentation for state
docs(urlRouter): updates urlRouter docs

replaced the example with a much better one
also improves .sync() method docs
docs(resolve): makes resolve src ngdoc compatible
docs(stateDirectives): first draft docs for stateDirectives
docs(stateFilters): adds docs for state filters
docs($templateFactory): adds docs for $templateFactory
docs(view): adds docs for ui-view and $view
Merge pull request #670 from PascalPrecht/ngdocs

docs(state): wip documentation for state service