Minor bugfix: Add a NULL check for dh
Replace our consttime_memcmp with OpenSSLs builtin CRYPTO_memcmp

CRYPTO_memcmp is also constant time (as opposed to OPENSSL_memcmp).
Furthermore our consttime_memcmp was buggy.
Merge remote-tracking branch 'upstream/master'
Perform a length check before CRYPTO_memcmp to avoid out-of-bounds reads
Fix merge conflict
Merge pull request #10 from d0/master

Perform a length check before CRYPTO_memcmp to avoid out-of-bounds reads
added coverty scan badge
fixed wrong usage of CRYPTO_memcmp
fixed import of CA keys

fixes regression from a05933a6521aede7424f6353b9d5570d78801049
use bootswatch theme for better mobile viewing
use current year for date of copyright
added github ribbon
fixed NIDs in swig for a non patched OpenSSL
fixed NIDs for (non-) patched OpenSSL (again)
Fixed some dead links in the documentation
Fixed some dead links in the documentation

closes #12
fixed link to eactest.html
Merge remote-tracking branch 'upstream/master'
Fix another broken link in the documentation
Merge pull request #14 from d0/master

Fix link to the doxygen documentation