added M106 for fan control, commented out one echo line in M109
Merge pull request #137 from luminize/m106-command

added M106 for fan control, commented out one echo line in M109
Added BeBoPr++ configurations and PEPPER stepper board HAL component
Merge pull request #141 from modmaker/bebopr++

Added BeBoPr++ configurations and PEPPER stepper board HAL component