A simple command provider for Jemma APIs
##Commands
listAppliances - list appliances with endpoints and methods
invokeClusterMethod <appliancePid> <endPointId> <clusterName> <methodName> - invokes a cluster method and print the result in console
##Example
###Get appliances list
listAppliances
####Toggle on/off
invokeClusterMethod ah.app.3521399293210526034 1 org.energy_home.jemma.ah.cluster.zigbee.general.OnOffServer execToggle
####Get Instantaneous Demand
invokeClusterMethod ah.app.3521399293210526034 1 org.energy_home.jemma.ah.cluster.zigbee.metering.SimpleMeteringServer getIstantaneousDemand
####Get Divisor
invokeClusterMethod ah.app.3521399293210526034 1 org.energy_home.jemma.ah.cluster.zigbee.metering.SimpleMeteringServer getDivisor
####Get Multiplier
invokeClusterMethod ah.app.3521399293210526034 1 org.energy_home.jemma.ah.cluster.zigbee.metering.SimpleMeteringServer getMultiplier
####GetUnitOfMeasure
invokeClusterMethod ah.app.3521399293210526034 1 org.energy_home.jemma.ah.cluster.zigbee.metering.SimpleMeteringServer getUnitOfMeasure
0 means KW or KWh
Real instantaneous consumption value: Multiplier x Instantaneous Demand / Divisor [UnitOfMeasure]