reorganized scripts and did initial audit of content -- more required
removed weird file
added first basic unit test for content
Merge remote-tracking branch 'swirldev/master'
gitignore user data
RBuildignore user data
added a couple more tests to test-content.R for unit testing content
Merge branch 'master' of https://github.com/swirldev/swirlfancy
pulling bill's changes before pushing my own
loading VM instructions relegated to S3 method for flexibility.
Merge remote-tracking branch 'swirldev/master'
removed old versions of content pre-class
made additional content edits -- still need to review openintro course
Merge branch 'master' of https://github.com/swirldev/swirlfancy

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