Pinout voordeur-doorduino en UTP-kabels
Merge branch 'master' of github.com:RevelationSpace/doorduino2.5
SHA1 support. For now, still allows keys without a secret.
SHA1-support (ds1961 library provided by Bertrik)

Serial speed bumped to increase chance of working challenge/response.
Workaround for unexpected calculation in Perl/ARM.