Update README.md (#84)
Update README.md (#84)

Hopefully made Getting Started clearer by creating separate sections for Bluemix DevOps Services and Cloud Foundry steps.
jcarboneri/simple-tc-pi-blx-demo,watson-developer-cloud/personality-insights-nodejs,aprilwebster/personality-insights-nodejs,aprilwebster/personality-insights-nodejs,vibhasinghal/personality-insights-nodejs,watson-developer-cloud/personality-insights-nodejs,jcarboneri/simple-tc-pi-blx-demo,vibhasinghal/personality-insights-nodejs