Commit with old files deleted
Move Jeff's exploratoryGraphs2 to EDA
Merge branch 'master' into EDA

* master:
  Add Jeff's transcripts
  Fix up links and author
  Remove subtitle
Add slides as separate files
Rename files for individual slides
Add pdf slides
Add title slides for ggplot2
Add PDFs of title slides
Remove pdfs and use PNG screenshots
Convert PDF slides to PNG
Convert PDF slides to PNG
Replace PDF with PNG
Graphics devices lecture
Add PDF and PNG slides
Merge pull request #32 from rdpeng/eda

Eda
fixed ordered list in functions lecture of r programming course
cropped intro to git screenshots for better display
cropped intro to github screenshots for better display
cropped create a repo images for better display
fixed exponent on last slide of reading data lecture