add 3 parameter's levels
add basic progressBar
[SudokuThread] add computeParams mehod for automatic increasing parameters
[SudokuDialog] add autoCB CheckBox
[SudokuDialog] add autoChangeState SLOT
[SudokuDialog] add autoParams bool variable, edit autoChangeSttate()
[SudokuThread] edit setParams() to support autoParams parameter
[SudokuThread] edit setParams() set
Merge branch 'features-addSolvingModes' into develop