fixed incorrect link to jekyll bootstrap homepage
fixed incorrect link to jekyll bootstrap homepage

aadm/aadm.github.io,aadm/aadm.github.io,jhu-chang/jhu-chang.github.io,jhu-chang/jhu-chang.github.io,jhu-chang/jhu-chang.github.io,P4F/p4f.github.com,jershmagersh/p4f.github.com