Adding clean html version of assignment 2.
Merge branch 'master' of github.com:uwescience/datasci_course_materials
Fixed first problem's equation in the assignment 2 description.
tweaking the language for what to turn in for assignment2 to make it clearer
Merge pull request #17 from inthebestway/text

tweaking the language for how to turn in assignment2
Merge pull request #16 from ksuszka/assignment2-patch

Fixed first problem's equation in the assignment 2 description.
Merge pull request #1 from uwescience/master

Pull