Update bootstrap.sh
Update bootstrap.sh

Fix key not found on server error.
vfulco/dokku-alt,netbrick/dokku-alt,bewest/dokku-alt,beedesk/dokku-alt,dsrowell/dokku-alt,vfulco/dokku-alt,bewest/dokku-alt,netbrick/dokku-alt,netbrick/dokku-alt,mehulsbhatt/dokku-alt,netbrick/dokku-alt,mehulsbhatt/dokku-alt,beedesk/dokku-alt,vfulco/dokku-alt,dsrowell/dokku-alt,stnly/dokku-alt,stnly/dokku-alt,dsrowell/dokku-alt,stnly/dokku-alt,vfulco/dokku-alt,beedesk/dokku-alt,dsrowell/dokku-alt,netbrick/dokku-alt,dokku-alt/dokku-alt,beedesk/dokku-alt,vfulco/dokku-alt,netbrick/dokku-alt,dsrowell/dokku-alt,bewest/dokku-alt,stnly/dokku-alt,dokku-alt/dokku-alt,netbrick/dokku-alt,mehulsbhatt/dokku-alt,bewest/dokku-alt,vfulco/dokku-alt,vfulco/dokku-alt,stnly/dokku-alt,dokku-alt/dokku-alt,mehulsbhatt/dokku-alt,vfulco/dokku-alt,dokku-alt/dokku-alt,mehulsbhatt/dokku-alt,stnly/dokku-alt,mehulsbhatt/dokku-alt,bewest/dokku-alt,dokku-alt/dokku-alt,beedesk/dokku-alt,dsrowell/dokku-alt,dokku-alt/dokku-alt,bewest/dokku-alt,beedesk/dokku-alt,stnly/dokku-alt,bewest/dokku-alt,dokku-alt/dokku-alt,netbrick/dokku-alt,dokku-alt/dokku-alt,mehulsbhatt/dokku-alt,dsrowell/dokku-alt,beedesk/dokku-alt,dsrowell/dokku-alt,beedesk/dokku-alt,stnly/dokku-alt,mehulsbhatt/dokku-alt,bewest/dokku-alt