Add device demo functionality at /device-demo
Refactor device-demo build dependecies
Merge pull request #18 from cdinu/master

Add device demo functionality at /device-demo
Merge branch 'master' of github.com:readfwd/delta-app
Modularized device-demo
added new content
Merge branch 'master' of github.com:dapetcu21/delta-app
a few correction - external links crashed