routing: big refactor, should be easier to use (simpler types exposed)
routing: Rename RouteType.Const->RConst; RouteType.PF->RFunc
routing: RouteType scaladocs, RFunc alias, unseal Sitelet, RouteType cannot be instantiated
routing: little scaladoc typo
routing: another doc typo
Merge pull request #94 from nafg/squash/routing-refactor

routing: big refactor, should be easier to use (simpler types exposed)