added featured booleanfield to park. once added /park/search can filter parks by featured adding the querystring variable featured=True
added featured booleanfield to park. once added /park/search can filter parks by featured adding the querystring variable featured=True

varmas/bostongreenmap,codeforboston/bostongreenmap,codeforboston/bostongreenmap,codeforboston/bostongreenmap,varmas/bostongreenmap,varmas/bostongreenmap,varmas/bostongreenmap,codeforboston/bostongreenmap,varmas/bostongreenmap,codeforboston/bostongreenmap