Switch addrman key from vector to uint256
Switch addrman key from vector to uint256

Conflicts:
	src/addrman.cpp

Rebased-From: b23add5521e4207085d41a0266617e94435fc22e
Github-Pull: #5941

MazaCoin/maza,MazaCoin/maza,MazaCoin/maza,MazaCoin/maza,MazaCoin/maza,MazaCoin/maza