Merge pull request #1 from seankross/master

First 5 lectures
Getting updated
Clean up
clean up again
Merge branch 'master' of https://github.com/jtleek/modules

Conflicts:
	.DS_Store
	jeff/.DS_Store
Added .gitignore file
Merge branch 'master' of https://github.com/seankross/modules

Conflicts:
	.DS_Store
	roger/.DS_Store
Updates from Sean
Merge pull request #5 from seankross/master

finished Dr. Peng's lectures
Merged brian's lectures
Merge branch 'master' of https://github.com/jtleek/modules
Merge pull request #7 from seankross/master

Dr Leek's lectures complete
put all content into folders based on data science curriculum
Merge pull request #8 from ncarchedi/master

put all content into folders based on data science curriculum