Merge branch 'milestone_2' into client_to_call_endpoints

# Conflicts:
#	car/src/main/java/cz/muni/pa165/car/App.java
#	car/src/main/java/cz/muni/pa165/car/rest/CarController.java
#	common_library/src/main/java/cz/muni/pa165/common_library/client/ClientConfig.java