* fix(routes): /map redirects to current challenge
* fix(map): Normalize server map building
Localize all server code dealing with the map
* refactor(server): Remove unused services
* feat(Nav): Show Map button when no panes
This gives user the ability to quickly return to their challenge using a
known feature
* fix(server.map): Add caching to nameIdMap
Add caching to nameIdMap on the server
* fix(services.map): Fix map service
Move map building utils to map util. Fix bad import. Normalize challenge
lookup
