KEYUTIL.getJWKFromKey added

• keyutil 1.0.12 to 1.0.13
  • KEYUTIL.getJWKFromKey() method added to get
    RFC 7517 JSON Web Key(JWK) object from RSAKey or
    KJUR.crypto.ECDSA public/private key object.
  • KEYUTIL.generateKeypair()
    do also setPublicKeyHex for EC private key in
    as aligned to PEM private key
    loading.
  • KEYUTIL.getKey(JWK_EC_PRV)
    made change to set public x y too.
• ecdsa-modified 1.0.4 to 1.0.5
  • getPublicKeyXYHex() method added
  • getShortNISTPCurveName() method added
• npm
  • missed to export KJUR.lang now fixed
• sample_node/genjwk added to generate keypair and save as JWK
• tool_certview.html
  • loading script fix