update README, enable scheduler filters and moved default values to metadata to clean up if blocks
diff --git a/metadata/service/control/single.yml b/metadata/service/control/single.yml
index 696faaa..f2ec608 100644
--- a/metadata/service/control/single.yml
+++ b/metadata/service/control/single.yml
@@ -14,6 +14,9 @@
       security_group: false
       vncproxy_url: ${_param:nova_vncproxy_url}
       dhcp_domain: novalocal
+      scheduler_default_filters: "DifferentHostFilter,RetryFilter,AvailabilityZoneFilter,RamFilter,CoreFilter,DiskFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,ServerGroupAntiAffinityFilter,ServerGroupAffinityFilter"
+      cpu_allocation_ratio: 16.0
+      ram_allocation_ratio: 1.5
       logging:
       - engine: syslog
         facility: local0