= routing: centralize AnyParam/FormField/Parameter magnets for better code organization
+ build: add spray-routing-shapeless2 project that shares most sources with spray-routing
= build: also add unmanagedResourceDirectories to spray-routing-shapeless2
= build: create spray-routing-shapeless2-tests project
= build: let travis build this branch for 2.10.4 and 2.11.1