message: increase protocol to 70027
diff: * network protocol versioning
  */
  -static const int PROTOCOL_VERSION = 70026;
  +static const int PROTOCOL_VERSION = 70027;
  //! initial proto version, to be increased after version/verack negotiation
  static const int INIT_PROTO_VERSION = 209;
  @@ -19,7 +19,7 @@ static const int GETHEADERS_VERSION = 31800;
  //! disconnect from peers older than this proto version
  static const int MIN_PEER_PROTO_VERSION_BEFORE_ENFORCEMENT = 70025;
  -static const int MIN_PEER_PROTO_VERSION_AFTER_ENFORCEMENT = 70026;
  +static const int MIN_PEER_PROTO_VERSION_AFTER_ENFORCEMENT = 70027;
  static const int MIN_PEER_PROTO_VERSION_BEFORE_ENFORCEMENT_TESTNET = 70021;
  static const int MIN_PEER_PROTO_VERSION_AFTER_ENFORCEMENT_TESTNET = 70024;
  