chapter267, [SORA][SORA Network][BIP66] We conformed BIP66 and enabled ENDOMORPHISM in pubkey.

The develop branch now supports BIP66.
In addition, since the DER signature has been became strict, on effect that with the conventional OpenSSL verification became result in “hybrid”, these will work without problems in a wide range of circumstance.

In addition, we had been enabled ENDOMORPHISM. thanks.

key/pubkey.h
https://github.com/FromHDDtoSSD/SorachanCoin-qt/blob/develop/src/key/pubkey.h
key/pubkey.cpp
https://github.com/FromHDDtoSSD/SorachanCoin-qt/blob/develop/src/key/pubkey.cpp