Change call of cache() depending the version
WIP Introduce HIDE state and changes in timenoxPresenter's stateMachine.
Changes to keep compatibility with Qt 4.8
Give a unique name to a timebox, and store it in the model
State class permits to debug stateMachine, especially in timeboxpresenter.
Compatibility with Qt4.8
Timebox's name is reflected and actualised in timeboxHeader (small) and headerWidget (full).
State class added in the .pro and are more verbose.
Merge branch 'features/stateMachinePresenter' into dev

Conflicts:
	i-scoreRecast.pro
	sources/main.cpp