Gamification Engine:

- service implementation and refactoring:

	- refactoring of the web app for the path
	- created an infrastructure to manage rest services and responses at controller and manager layers
	- created the initial service applications findApplicationById -> COMPLETED
	- created the related test for the service implemented -> COMPLETED
	- refactoring of tests introducing management of different HttpStatus
	- implemented the layers and helper to manage rest services and above all related responses
	- added a configuration for rest components and especially for helpers