style except index
Merge branch 'jack'
Merge branch 'steven'
Merge branch 'master' into jack
stylin
Merge branch 'jack' of github.com:stuycs-ml7-projects/forebrains into jack
Merge branch 'master' of github.com:stuycs-ml7-projects/forebrains
Merge branch 'jack'
Merge branch 'master' of https://github.com/stuycs-ml7-projects/forebrains
Merge branch 'steven' of https://github.com/stuycs-ml7-projects/forebrains into steven
Merge branch 'master' into steven
added background to index