More capstone
Background
Merge branch 'master' into capstone

* master:
  first weeks dst
  Rename RR class
  Start updating/cleaning
  Clean up slides/code
  Rename directories to remove numeric prefix
  Fix some typos
  Move slidify to data products
  Start slidifying RR Concepts lecture
added first few overviews to jeff's data scientist toolkit course
Merge branch 'master' of https://github.com/jtleek/modules
Background
stuff
Merge branch 'master' of https://github.com/jtleek/modules into jeff
added more overviews for data science toolbox
Questions to answer
Merge pull request #57 from rdpeng/capstone

Capstone
Merge pull request #56 from ncarchedi/master

First few overviews for data science toolbox course
almost there on dst
big data lecture
Merge branch 'master' of https://github.com/jtleek/modules into jeff
Merge pull request #58 from jtleek/jeff

finished all dst but nick's stuff + experimental design. holy crap i'm so wiped out i don't want to write experimental design
added a couple more overviews to data science toolbox
added regression overview to ds toolbox course
pred and ML overview for data science toolbox
added beginnings of data products overview to data sci toolbox course -- needs to be completed once we have more material