change ganache port to 8547 so it doesn't clash with vanilla parity rpc port

truffle/package.json

@@ -22,7 +22,7 @@
   "dependencies": {},
   "scripts": {
     "ci": "concurrently \"yarn run solium\" \"yarn run truffle-with-rpc\" \"yarn run solidity-coverage\"",
-    "ganache": "ganache-cli -p 8545",
+    "ganache": "ganache-cli -p 8547",
     "solidity-coverage": "solidity-coverage",
     "solium": "solium --dir contracts/",
     "test": "yarn run truffle-with-rpc",

truffle/truffle.js

@@ -2,7 +2,7 @@ module.exports = {
   networks: {
     development: {
       host: "localhost",
-      port: 8545,
+      port: 8547,
       network_id: "*" // Match any network id
     }
   }