Device Type Interface

[VladimirAkopyan]

Allow a device Type to be created, a device type will be owned by a user and have some characteristics that will be set in the app. Amongst them:

• Custom commands the device should have
• whether the device has a clock
• Whether the device does historical data storage
• whether the device has actuators and stuff
• Settings for the device
• It's update rate
• Min / Max alarms
• Min / Max readings sensors can provide
• Behaviours