HMAC support for SHA-224
split out commonly used functions into notest
RFC 2022 (HMAC-MD5/SHA1) and RFC 4231 (HMAC-SHA2) test vectors
connect hmac suite to testrun
hook notest and hmac_tests to build
regenerate
require aspcud to be installed
require sexplib (magic needed to let opam (1.1) install cstruct-1.4.0 on travis)
Merge pull request #35 from mirleft/hmac_sha224

Support for HMAC_SHA224