ignoring R project & history files.
Ignoring R project & related files.
This second prototype for Coursera/swirl interaction has the same functionality as the first but implements it as a custom test which resides in the lesson directory. It run s in vanilla swirl, requiring no special code in the swirl package.

This prototype also demonstrates how a custom test may override a built-in test of the same name.
Merge branch 'coursera2'
yamlWriter
removing scripts/yamlWriter.R
ignoring scripts
first draft of regression course, lesson1
Tweaked Coursera Code as Custom Test to work with coursera branch or with current version of master (which does not have coursera specific code included.)
added lesson demonstrating video and figure use
resolved merge conflict in .gitignore