.setConnectionTimeoutInMs((int)config.getCallConfig().getConnectTimeoutMsecs())
.setMaximumConnectionsPerHost(5) // default of 2 is too low
.setMaximumConnectionsTotal(30) // and 10 is bit skimpy too
.build();
AsyncHttpProvider prov;
/* 12-Oct-2012, tatu: After numerous attempts to use Grizzly provider,
* I give up. That PoS just does not work. So even though Netty code
* is ugly as hell at least it does work well enough to... work
* (there is that 40msec overhead for PUTs, still)