use test network for tests
seed info for testnet
do not advertise myself by default
add details
stronger test (not deterterminist if txindex=0)
1.0.4.21
Chain save offchain blocks
GetOrAdd refactoring, some comments, 1.0.4.22
GetBlocks accept the blocks to download in parameter
perf micro optimization on block directory parsing
Merge remote-tracking branch 'upstream/master'

Conflicts:
	NBitcoin/Protocol/NodeServer.cs