Novacoin sources tree
Fix transaction signing and stability issues
Unification of source tree and switching to CMake build system; Resolved openssl, boost and Qt compatibility issues; Fixed synchronizing issues on poor network connections (disconnect node on CRC error); Fix proof-of-stake validation issues during initial synchronization; Windows AArch64 support; Temporarity remove encryptmessage/decryptmessage functionality; Remove berkeleydb block index wrapper; Switch to IXWebSocket based RPC server.