Add "InitialIP" field to example configs

It was too well-hidden otherwise.

configs/bitcoin-test.json

@@ -6,6 +6,7 @@
  "Pver": 70001,
  "DNSName": "btctseed.zagbot.com",
  "TTL": 300,
+ "InitialIP": "0.0.0.0,0.0.0.0",
  "Seeder1": "testnet-seed.alexykot.me",
  "Seeder2": "testnet-seed.bitcoin.petertodd.org",
  "Seeder3": "testnet-seed.bluematt.me"

configs/bitcoin.json

@@ -6,6 +6,7 @@
  "Pver": 70001,
  "DNSName": "btcseed.zagbot.com",
  "TTL": 600,
+ "InitialIP": "0.0.0.0,0.0.0.0",
  "Seeder1": "dnsseed.bluematt.me",
  "Seeder2": "bitseed.xf2.org",
  "Seeder3": "dnsseed.bitcoin.dashjr.org"

configs/dnsseeder.json

@@ -6,6 +6,7 @@
  "Pver": 70001,
  "DNSName": "seeder.example.com",
  "TTL": 600,
+ "InitialIP": "0.0.0.0,0.0.0.0",
  "Seeder1": "seeder1.example.com",
  "Seeder2": "seed1.bob.com",
  "Seeder3": "seed2.example.com"

configs/namecoin.json

@@ -6,6 +6,7 @@
  "Pver": 70001,
  "DNSName": "dnsseed.nmctest.net",
  "TTL": 600,
+ "InitialIP": "0.0.0.0,0.0.0.0",
  "Seeder1": "nmc.seed.quisquis.de",
  "Seeder2": "seed.nmc.markasoftware.com"
 }

configs/twister.json

@@ -6,6 +6,7 @@
  "Pver": 60000,
  "DNSName": "dnsseed.zagbot.com",
  "TTL": 600,
+ "InitialIP": "0.0.0.0,0.0.0.0",
  "Seeder1": "seed2.twister.net.co",
  "Seeder2": "seed.twister.net.co",
  "Seeder3": "seed3.twister.net.co"