add some PKEY_CTX bindings we'll need for signing
bind sign/verify EVP functions for OpenSSL
Add X509_V_ERR_APPLICATION_VERIFICATION
Merge pull request #613 from hynek/master

Add X509_V_ERR_APPLICATION_VERIFICATION
EVP_PKEY_CTX doesn't exist on 0.9.8. Do the conditional include dance
some padding functions we're going to need for 0.9.8
OpenSSL bindings for RSA blinding
Merge pull request #612 from reaperhulk/rsa-signing-bindings

Signing Bindings (RSA, general EVP)
Merge pull request #615 from reaperhulk/rsa-blinded-by-the-light

RSA Blinding Bindings
when declaring macros it helps to get the arguments right
methods to open an EVP_PKEY from an RSA or DSA struct in OpenSSL
Merge pull request #616 from reaperhulk/openssl-you-spin-me-right-round

More EVP_PKEY related shenanigans
Fix the signature of this on 0.9.8
Merge pull request #617 from alex/fix-sig

Fix the signature of this on 0.9.8