Started work on vector graphics. Done directories so far are AEAD/ and XOR/ .
renamed vector graphics to fit the scheme
finished creating vector gfx for dir BlockCipher
done with BlockCipher vector graphics
done with CTR
done with RC4 vector gfx
done with StreamCipher
done with Hashes
done with Dual_EC_DRBG/
done with ECBEncryptionOracle
done with HMAC
done with OAEP
done with OCB
added a readme for the Metapost illustrations
clarified output mps format
Merge pull request #89 from coh2/metapost_illustrations

Metapost illustrations