Build support for rest of transports supported by IM Gateway plugin
Description
GaduGadu, IRC, and SIMPLE are supposed by the IM Gateway plugin, but no support in Spark itself. There was an extra gateways plugin, but I've retired it in lieu of building support directly into Spark.
GaduGadu, IRC, and SIMPLE are supposed by the IM Gateway plugin, but no support in Spark itself. There was an extra gateways plugin, but I've retired it in lieu of building support directly into Spark.