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

...sodium/crypto_onetimeauth/poly1305/donna/poly1305_donna.h

...dium/crypto_onetimeauth/poly1305/donna/poly1305_donna32.h

...dium/crypto_onetimeauth/poly1305/donna/poly1305_donna64.h

...crypto_onetimeauth/poly1305/donna/verify_poly1305_donna.c

...sodium/crypto_onetimeauth/poly1305/onetimeauth_poly1305.c

...um/crypto_onetimeauth/poly1305/onetimeauth_poly1305_api.c

...um/crypto_onetimeauth/poly1305/onetimeauth_poly1305_try.c

...crypto_pwhash/scryptsalsa208sha256/crypto_scrypt-common.c

...sodium/crypto_pwhash/scryptsalsa208sha256/crypto_scrypt.h

...tsalsa208sha256/nosse/pwhash_scryptsalsa208sha256_nosse.c

...sodium/crypto_pwhash/scryptsalsa208sha256/pbkdf2-sha256.c

...sodium/crypto_pwhash/scryptsalsa208sha256/pbkdf2-sha256.h

...pwhash/scryptsalsa208sha256/pwhash_scryptsalsa208sha256.c

...dium/crypto_pwhash/scryptsalsa208sha256/scrypt_platform.c

...cryptsalsa208sha256/sse/pwhash_scryptsalsa208sha256_sse.c

.../libsodium/crypto_pwhash/scryptsalsa208sha256/sysendian.h

...odium/src/libsodium/crypto_scalarmult/crypto_scalarmult.c

...rc/libsodium/crypto_scalarmult/curve25519/donna_c64/api.h

...alarmult/curve25519/donna_c64/base_curve25519_donna_c64.c

...larmult/curve25519/donna_c64/smult_curve25519_donna_c64.c