* Adds single node CNTK example
* Adds initial set of notebooks and readme
* Updates the notebooks and reorganises them
* Adds missing notebooks
* Updates Readme and next steps
* Fixes links to notebooks
* Moves notebooks to new location.
Updates notebooks to latest shipyard release.
* Adds readme to notebooksdirectory
* Adds notebook description to contrib
* Moves notebooks section
Moves notebooks section so that it is in alphabetical order
* Updates README
* Removes the output from the notebooks
* alfpark: amend notebooks, clarify READMEs