- added eKeyboardType to switch between Inline and KeykboardButtons
- addes some small functions to ButtonForm
- added new control "ButtonGrid" which manages Button handling with Event Handler for each Button and can switch between InlineMode and KeyboardMode during runtime
- added also Examples to it
- added control id, for easier separating of controls in one form
- added automatic event selection for specific controls, to not raise an event for other controls who has invoked it
- changed Action method
- added example
