SetupWizard: add documentation
SetupWizard: add page for when input configuration unsupported

This page will inform the user to manually configure the input before
proceeding for boards where it is not supported.  This is required
because without an input actuator uses a different path and cannot
be controlled.
SetupWizard: add page to indicate a board is unknown
Config: add Calibration object to aggregation
Config: fix formatting of file
SetupWizard: use calibration object to compute level
Calibration: fix doxygen header
SetupWizard: compare requested input to active input to reboot

Add stub to IBoardType to query the currently selected input type
and determine if the board should be rebooted.
Sparky: add method to query current input type
BiasCalibration: remove some comments