updated gnulib
updated to libopts 5.18.3
pkcs8: initialize parameters on decryption
doc update
gnutls-cli-debug: added AES and CAMELLIA to the list of default ciphers
improve compatibility in pkcs11 key generation

* explicitly set public exponent in template

Signed-off-by: Wolfgang Meyer zu Bergsten <w.bergsten@sirrix.com>
doc update