.gitignore in lesson 1
Typo in lesson 1
Add tufte template in a common folder, will delete submodule later
Added folder and skeleton for SVN --> Git Migration handout
Update explanation on how to handle copy/pasting the SSH key from puttygen
Move Tufte Latex template submodule to a common folder
Bump lesson1 to 4 hours
Section on how to handle files deleted outside of git using git add -u