restructure vectors into ciphers/hashes/hmac
move around the tests to organize by cipher
move AES/3DES vectors into mode dirs and separate SHA vectors
update tests for new test vector locations
rename camellia tests
Merge pull request #198 from reaperhulk/vector-movin

Restructure vectors into ciphers/hashes/hmac
simplify some test class structure
blowfish support + test vectors

Vectors sourced from https://www.schneier.com/code/vectors.txt but
reformatted to comply with our NIST loader
add blowfish cipher key_size tests
add bf docs
Added a tox/travis just for running flake8 under py3k
Merge pull request #206 from alex/py3pep8

Added a tox/travis just for running flake8 under py3k
move blowfish docs to new weak ciphers section, linkify aes
Merge pull request #205 from reaperhulk/simplify-tests

Simplify some test class structure
Merge pull request #201 from reaperhulk/bf-support

Blowfish Support