closes#485 and 479
removal all package.json from _example subdirs and add an example-config.json to each. Update add-example-symlinks to use new fns
updated gitignore, package.json
add tests to QuickStart
closes#483
A major refactoring of the intro chapters includes text revision
and the addition of "module" as an 8th "basic building block".
Incorporates John Papa feedback.
Jay Traband
Ward Bell