Statemine Release Prep (#460)

* set default para id to 1000

* add genesis value generation script

* add statemine chain spec and genesis values

* add westmint chain spec and genesis values

* rename chain specs to _genesis to indicate that they are not usable for syncing the chain

* adjust chain names to reduce confusion

* add westmint chain spec

* set chain id to shell

* comment out statemine chain spec

* fix build

Co-authored-by: joepetrowski <joe@parity.io>

scripts/generate_genesis_value.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+usage() {
+    echo Usage:
+    echo "$0 <chain-id>"
+    exit 1
+}
+
+chain_id=$1
+
+[ -z "$chain_id" ] && usage
+
+pushd generate_genesis_values
+yarn
+popd
+
+node generate_genesis_values ../polkadot-parachains/res/$chain_id.json ../polkadot-parachains/res/${chain_id}_genesis_values.json