Merge pull request #168 from tcalmant/v3.1.0-prep

Preparation for v3.1.0 release

Fixed iPOJO link in README

Updated changelog in documentation

Fixed release date in changelog

Updated changelog

Travis: use a local etcd server for RSA tests

The ECF public etcd server doesn't seem to respond anymore

Reformat + added RSA to setup.py

Added a small reference to shell TLS & completion in "Batteries Inclu…

…ded"

Remove "typing" from required packages

This package is recommended in development, but not used in production.

Corrected image tags in README