pynacl == 0.3.0
twisted == 14.0
stem == 1.3.0
ipaddress == 1.0.6
hkdf == 0.0.1
pycrypto == 2.6.1
pyopenssl == 0.14

pynacl == 0.3.0
twisted == 14.0
stem == 1.3.0
ipaddress == 1.0.6
hkdf == 0.0.1
pycrypto == 2.6.1
pyopenssl == 0.14
service-identity == 14.0

Add 'service-identity' package as a requirement.
Add 'service-identity' package as a requirement.

Twisted has an ugly warning if used without the 'service-identity'
Python package. We don't actually require the functionality,
but it's better to silence the warning.
