Fix static storage duration issue with some Journal logs
Improved async stop for Resolver

Conflicts:
	src/ripple_app/peers/NameResolver.cpp
Fix Resolver contract check
Disable NameResolver temporarily
Reduce StatsDCollector log verbosity
Refactor IP::Endpoint
Refactor Peer, Peers. Peerfinder work. Remove TESTNET.
Support fixed peers (with DNS) in PeerFinder