Small trick for ECF: send only one specification and one configuration
Added a Python version of Jabsorb-RPC

Based on jsonrpclib-pelix
Added a time service provider, usable in ECF

The package version property is required for ECF to accept the proxy.
Working version for the Time Service example from ECF

- Using '--server', the framework provides a service usable by
timeservice.consumer
- Using '--name XX', it consumes a service provided by timeservice.host

You'll have to change the Activator of the timeservice.host bundle to
add the jabsorb configuration property (ecf.jabsorb)
The mDNS discovery service does not depend on the Dispatcher
Using Python 2, because of PyZeroConf