Updated readme with instructions on how to add new nodes.  Added new DNS seed and added Potcoin nodes to the seed list.
Fix for KGW (Let's do the timewarp again!)

Signed-off-by: openpay <admin@orgcoin.org>
KGW Timewarp patch second attempt (previous version had a typo)
Merge pull request #5 from openpay/master

Updated readme with instructions on how to add new nodes.  Added new DNS...