refactor server test folder
add unit test
Merge pull request #339 from smoratinos/master

refactor server test directory
move database setup (mongodb) out of db route (http endpoint)
use a mapping for handlers, schemas, and routes
rename some variables
Merge pull request #340 from smoratinos/master

server refactor db routes
Allowed multiple versions of MongoDB
Merge pull request #342 from codecombat/master

Merge server refactor into task queue