Text buttons choose between t_, T_ and w_ based on text length.
Added support for raw id buttons (b_), button groups (InstructionalButtonGroup class) and clickable buttons (IInstructionalButtonSlot.BindedControl property).
Added InstructionalButtons.BackgroundColor property.
Removed obsolete members.
Text buttons choose between
t_,T_andw_based on text length. Added support for raw id buttons (b_), button groups (InstructionalButtonGroupclass) and clickable buttons (IInstructionalButtonSlot.BindedControlproperty). AddedInstructionalButtons.BackgroundColorproperty. Removed obsolete members.Closes #52.