Adding SEED cipher algorithm to openssl backends
add SEED docs, tests, small fixes
Merge pull request #908 from reaperhulk/seed-support

SEED support
ECDSA vector loader
Merge pull request #911 from public/ecdsa-vector-loader

ECDSA vector loader
update travis config to be more concise
remove some commented out code
Merge pull request #915 from reaperhulk/travis-advanced

update travis config to be more concise
Merge pull request #910 from Ayrx/cmac-vectors

Added test vectors for AES-CMAC
Initial CMAC bindings
Added CMACBackend interface and registered it with openssl backend
Added CMACContext interface and new bindings
Added CMAC primitive
Added tests
Add check for openssl version in bindings
Fixed tests
Fixed accidental pep8 messes
Updated stuff based on alexs' comments
Fixed openssl version number.