Interoper test tool
WIP interoper
Merge branch 'master' into interoper

Conflicts:
	e3x/channel.go
	e3x/channel_test.go
	e3x/endpoint.go
	e3x/exchange.go
	lob/coder.go
	tools/test-net-link/main.go
WIP interoper integration
Merge branch 'master' into interoper
Updated the test protocol handling
Renamed SUT to Worker
Merge pull request #49 from telehash/interoper

Interoper