fix capability_query, analog_mapping_response and analog callback
retrieve capabilities in probe and later validate against.
support system_reset
add callback for string data response
remember latest STRING_DATA response in Platform
fix capability query for onewire
add myself to copyright notice
support onewire SEARCH_ALARMS request and reply
small fix in handling STRING_DATA reply
Merge pull request #9 from ntruchsess/master

I've added some more features (capabilities during probe, handle string (error) replies, support oneWire search_alarms requests...)