updated information in README.md now that we support the RaspberryPi2 model line. This closes #19.
updated information in README.md now that we support the RaspberryPi2 model line. This closes #19.

jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic,jens-maus/RaspberryMatic