* commit '64c42cae4482fe0157e977b8ddd0f2c2436b3f31': Rename HierarchicalStateMachine and HierarchicalState to StateMachine and State.
* commit '64c42cae4482fe0157e977b8ddd0f2c2436b3f31': Rename HierarchicalStateMachine and HierarchicalState to StateMachine and State.