Changed version of JUnit and added JMockit.
Changed ScoreTalbe class to LaneCreator class.
Added 3 testcases in LaneCreatorTess class.
Renamed Incomprehensible testcase names.
Added classes that express laneState.
Removed StrikeLaneTest class.
Remaned ScoreTable class and valiable name.
Merge pull request #2 from Shunsuke-Komuta/changeOverallStructer

Change overall structer