updates to chainparams.cpp for clams genesis block and chain info
Add built-in seeds for .onion

This makes it possible for a node with `-onlynet=tor` to bootstrap
itself.

It also adds the base infrastructure for adding IPv6 seed nodes.

Also represent IPv4 fixed seed addresses in 16-byte format.

Conflicts:
	src/Makefile.am
	src/chainparams.cpp

Conflicts:

	clam-qt.pro
	src/net.cpp
Implement check for Protocol v2 and Smoother Difficulty for dooglus, tenative height 225000