Michael Thorsager

Added 'Source' option to control source of connection

1

Very useful on multi-homed hosts.

Bumped guava version to 26.0-jre

2

Minor change to handle some api-changes in moving to Guava 26.0-jre, and removing reference to JSR-305 javadoc (long gone)

### The following program `sample.go` triggers an unexpected result ```go package main type Mover interface { Move() error } type car struct { Mover } type engine struct { }...