Add SpainCoin support

Imported from https://github.com/SpainCoinProject/p2pool
Add SpainCoin support

Imported from https://github.com/SpainCoinProject/p2pool
Update networks.py

Add node
Update networks.py

Fix unwanted deletion
Rotocoin bootstrapping

p2pool.letsmine.it re-enabled as it seems fixed now
Update networks.py

Add missing spa_sub
Merge branch 'master' of https://github.com/donSchoe/p2pool-n into donSchoe-master

Conflicts:
	p2pool/bitcoin/networks.py
Update networks.py
Update networks.py
Update networks.py
Update networks.py
Merge pull request #26 from Lovok/master

Rotocoin update