Merge pull request #1 from str4d/master

Working setup.py using vcversioner
initial tox config files
temp merge
Merge branch 'str4d-github-merge'
add some tests, add ed25519 support
resolve conflicts
add chat client example, needs more work
Merge remote-tracking branch 'upstream/master'

Conflicts:
	i2p/i2cp/crypto.py
	i2p/i2cp/messages.py
Revert reverted changes