fix error when trying to start node-red locally.

[rophy]

version 0.9.0 fails to npm start locally (i.e. no bound cloudant instance):

> npm start

> [email protected] start R:\node-red-bluemix-starter
> node --max-old-space-size=160 index.js --settings ./bluemix-settings.js -v

10 Dec 01:38:58 - Starting Node-RED on IBM Cloud bootstrap
10 Dec 01:38:58 - Loading bluemix-settings.js
10 Dec 01:38:59 - Failed to find Cloudant service: /^node-red-app.cloudantNoSQLDB/
10 Dec 01:38:59 - Loading application settings
R:\node-red-bluemix-starter\node_modules\node-red\red\runtime\storage\localfilesystem\projects\index.js:45
    log = runtime.log;
                  ^

TypeError: Cannot read property 'log' of undefined
    at Object.init (R:\node-red-bluemix-starter\node_modules\node-red\red\runtime\storage\localfilesystem\projects\index.js:45:19)
    at Object.init (R:\node-red-bluemix-starter\node_modules\node-red\red\runtime\storage\localfilesystem\index.js:62:32)
    at Object.<anonymous> (R:\node-red-bluemix-starter\index.js:36:13)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
    at Function.Module.runMain (module.js:693:10)
    at startup (bootstrap_node.js:191:16)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] start: `node --max-old-space-size=160 index.js --settings ./bluemix-settings.js -v`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     D:\Users\rophy\npm-cache\_logs\2018-12-09T17_38_59_995Z-debug.log

This PR fixes the error so that npm start works without cloudant.