added project description, fixed error message
Merge branch 'master' of https://github.com/tsupryk-cdp/module_4_task_1
removed ITicket interface, refactored repository implementation
Merge branch 'master' of https://github.com/tsupryk-cdp/module_4_task_1

Conflicts:
	src/main/java/com/tsupryk/service/service/TicketService.java