delete intro-01-code and unused dataset and updates to template
Merge branch 'master' of https://github.com/Reproducible-Science-Curriculum/rr-intro
delete intro-01-code since it was redundant to the template, and updates to the template
Merge branch 'master' of https://github.com/Reproducible-Science-Curriculum/rr-intro
Merge branch 'master' of https://github.com/Reproducible-Science-Curriculum/rr-intro