Refactoring based on the meeting on Friday

Renamed app.js files to client.js and server.js
Renamed client side global service files to {{ModuleName}}.service.js
Renamed client side controller files to {{ModuleName}}.ctrl.js
Renamed client side model files to {{ModuleName}}.model.js
Renamed server side schema objects to {{ModuleName}}.model.js
Renamed server side api objects to {{ModuleName}}.api.js
Moved route and model configuration code to their own files in the
config directory