first commit
Included sample quiz
Got markdown quiz to work.
Transformed tutorial into proper R introduction.
Included MathJax support
Create README.md
Corrected newlines in readme
Dealing with text and numbers.
Added vector section.
Added links to real data.
Added real soil temperature data.
Removed superfluous columns from soil data, finished reading in data sections.
Dates, plots and introduction to reshaping data.