updated vignette for new syntax, and prism.
adding image and updating install instructions
updated printProcessInputs title
Adding more detail to readme
Merge branch 'master' of github.com:jread-usgs/geoknife
re-org and simplification of readme
caps for consistency.
removed devtools install instructions
more info for basic processing job elements
Merge pull request #44 from jread-usgs/master

minor documentation etc updates to v0.2.2