Initial commit of quickstart code

Create Quickstart device code
Post review changes

Updates following review
Readme updates & make help text more concise

Help text was rather long-winded, and clarify use of KB (rather than Kb
- KB = 1024bytes, Kb = 1000bytes)
Further updates to README
refactor structure per earlier discussion
new READMEs
More readme stuff
Add copyright statement
Add src directory for each sample
Change dataset name to psutil
Merge pull request #1 from durera/master

Create psutil sample