added query class which is responsible for creating queries
merged master
merged master
added device helper and added device helper class to it
refactored abstract_generator
created query class and refactored generator
added answers get function
added test for arrays
fixed rubocop
deleted abstract generator because it was replaced with query class and was only used for one variable
added to_name methode to places
fixed rubocop
removed coffe script scaffold
refactored query to active record model
fixed rubocop
renamed question.generate to question.get
removed sparql and added query id
added query model
added query to database and removed sparql
removed unused route get_lat_long from question controller because it does not follow the one class one responsibility guidelines