Added the /build/ folder to .gitignore (we'll just remove stuff from there later in our 'tutorial' branches
Added the /build/ folder to .gitignore (we'll just remove stuff from there later in our 'tutorial' branches

UP-MIT-GSL/angular-momentum,holycattle/angular-momentum,UP-MIT-GSL/angular-momentum,UP-MIT-GSL/angular-momentum,UP-MIT-GSL/angular-momentum,holycattle/angular-momentum,holycattle/angular-momentum,holycattle/angular-momentum,holycattle/angular-momentum