Added tests for MoveOrigin and Move validations
Added validations on MoveOrigin/Move for valid origin/target ids
Extracted dice roll win checking to private method; refactored attacking tests
Updated Skirmish::StateModifiers::Turn to use Skirmish::Turn.current_turn_for_game
Unmarked movement test as pending and added more logging on failure to diagnose issue
Made Turns.completed false by default
Merge pull request #45 from RantGames/game_state_test_refactorings

Game state test refactorings