Making jshint kinder :horse.
Adding logging service :horse:
Cleaning up :horse:
Creating a constructor for the logging service :horse:

Created a more complex structure in order to make it possible to easily
log from where the logger was called
A log service for warnings :horse:
Using the logging service :horse:
Initialising log service :horse:
Log error function :horse:
Settings for error service :horse:
Initialization function :horse:
Smarter error message in dbService :horse:
Correct wording :horse:
Error handling :horse:
Message if not courses were found :horse:
Message if no users were found :horse:
Correct route to server :horse:
Implemented logging in all .js files :horse:
Complete logging in dbService :horse:
Message formation :horse:
New utilities service :horse: