Add Support for Compact mode (js-Controller 2.0 Feature)

_From @ldittmar81 on January 20, 2019 17:57_

The upcoming version 2.0.0 of js-controller will support a new mode for low memory devices. For this, a few minor adjustments to the adapter must be made. Please follow these instructions: https://forum.iobroker.net/viewtopic.php?f=24&t=20387#p213466

_Copied from original issue: soef/ioBroker.hid#11_