Add student grades assignment
Add specs
Remove runner file since added specs
Remove reference to CSV
Use double quotes
Add grades method for Assigment
Add classes
Use be_within matcher for floats
Merge pull request #45 from LaunchAcademy/hh-add-extra-oo-challenge

Hh add extra oo challenge
Add TV shows lesson.
Add writeup and lesson structure.
Merge pull request #46 from LaunchAcademy/tv-shows

Tv shows
Merge branch 'master' of github.com:LaunchAcademy/curriculum into vr-book-reviews-in-space
fixed doc for some typos