cleanup of vagrant environments

added allinone env
default to skipping a bunch of stuff via tags
add tag for logging so i can skip it
create variable for default schedulers so i can override it
make xorp role more resiliant to slow service start/restart
Shouldn't this be 192.168.254.0/24 (floating IP/neutron external network) instead of 192.168.255.0/24 (transit/stack external network)?