Bump Express version to 4.4.1
Move configuration to API class
Move SSL certs to live under api dir
Add mock request/response classes for testing
Add mock request/response classes for testing
Improve authentication middleware mounting
Organize server creation into new function
Move API routes to their own file
Remove unnecessary/broken tests
Merge pull request #190 from hybridgroup/refactor/api

Bump Express version, refactor API