updates to global flags in index.md
updates to global flags in index.md

ryanvz/rack,DonNateR/rack,pratikmallya/rack,brint/rack,brint/rack,jrperritt/rack,ryanvz/rack,dolph/rack,nelsnelson/rack,dolph/rack,annegentle/rack,annegentle/rack,jarosser06/rack,nelsnelson/rack,jarosser06/rack,rackspace/rack,pratikmallya/rack,rackspace/rack,jrperritt/rack,DonNateR/rack