Merge pull request #1 from adaptivelab/master

Now writes to the relay when locking/unlocking
Got rid of twitter stuff, we can use the web service instead
Removed defunct open.sh
Saner unlock api (we're on a private network), and better console messages.
lowercase ping response, because it looks nicer.
Merge pull request #1 from steeeve/master

Got rid of superfluous stuff!