Removed CardPicker interface (from "we don't have implementation yet" phase) as there won't be another implementation at this point
added tests for missing 2% coverage
sugar++
split up tests
added overload avoidance test (fails, currently @Ignored)
introduced Card class (in order to get rid of int[] for card management)
removed int[] based solution into List<Card> solution with use of JDK8 Stream API
code formatting, imports organized
renamed strategies more appropriate
deleted first attempt of max. damage strategy (need to come up with real algorithm, no way to get there just by TDD mini-stepping)
cleaned up packages structure