Fix install instructions for Sublime Text
Add class 3 assignments
Add Ruby style guide for class 2
Merging Class 3 Assignment
Merge remote-tracking branch 'upstream/master'
Add git config options for class 3
Merge pull request #2 from ryansobol/master

Add git config options for class 3
Add instructions of listing config settings and aliases
Merge remote-tracking branch 'upstream/master'

Merge of upstream
Added code for assignment