Merge pull request #1 from AL333Z/az

Fix error in SampleController.
removed old android app
added a todo
created the MeshNetToDeviceMessage
implemented the "send to device" service of MeshNetGateway agent, using
the MeshNet libraries
Merge pull request #2 from AL333Z/az

Nuova processo di inizializzazione.
added debug print
added meshnet device id parameter in Bulb agent
import cleaning
the Bulb agent now can actually switch the bulb by sending a message to
a MeshNetGateway agent
Merge branch 'meshnet-impl'
conflict corrected
Add ToggleSwitch agent, implemented subscribe communication toggle->bulb.