Added a pynacl to lib/ so that we can build our own pynacl during freezing

lib/nacl/src/libsodium/test/quirks/windows/windows-quirks.h

lib/nacl/tests/data/ed25519

lib/nacl/tests/test_box.py

lib/nacl/tests/test_encoding.py

lib/nacl/tests/test_hash.py

lib/nacl/tests/test_raw.py

lib/nacl/tests/test_secret.py

lib/nacl/tests/test_signing.py

lib/nacl/tests/test_utils.py

lib/nacl/tox.ini

lib/nacl/utils.py