first support for outbound connections on develop branch

first tag post-merge of cluster-experimental branch with support for outbound connections to drachtio apps and http lookup of service uris

stable release without support for outbound connections

This is tagged at the commit on the develop branch just prior to the major changes to support outbound connections to drachtio apps.

0.4.1 production release

This is the final intended release of 0.4.x, prior to massive changes needed to support TLS and WSS