Increased the host iops to 15 and cpu ratios

For each host type, increased the initial cpu ratio to 2.5 to give
us the ability to reach the 25k instance count. Also adjusted the
max io ops per host to 15 in an attempt to prevent out of resouce
scheduling issues.

environment/answers.sls

@@ -176,7 +176,7 @@ nova:
   io_ops_weight_multiplier: 2.0
   soft_affinity_weight_multiplier: 1.0
   soft_anti_affinity_weight_multiplier: 1.0
-  max_io_ops_per_host: 10
+  max_io_ops_per_host: 15
 
 ## the theme you wish to install in horizon (set url to false if none).  URL should point to git repo
 ## name should be the top-level directory you wish to extract the theme to

environment/hosts.sls

@@ -180,7 +180,7 @@ hosts:
         interfaces: [enp97s0f1]
       private:
         interfaces: [enp113s0f1]
-    initial_cpu_allocation_ratio: 1.0
+    initial_cpu_allocation_ratio: 2.5
     initial_ram_allocation_ratio: 1.5
   computev2:
     style: physical
@@ -213,7 +213,7 @@ hosts:
         interfaces: [enp97s0f1]
       private:
         interfaces: [enp113s0f1]
-    initial_cpu_allocation_ratio: 1.0
+    initial_cpu_allocation_ratio: 2.5
     initial_ram_allocation_ratio: 1.5
   computev3:
     style: physical
@@ -247,7 +247,7 @@ hosts:
         interfaces: [enp193s0f0]
       private:
         interfaces: [enp193s0f1]
-    initial_cpu_allocation_ratio: 1.0
+    initial_cpu_allocation_ratio: 2.5
     initial_ram_allocation_ratio: 1.5
   computev4:
     style: physical
@@ -281,7 +281,7 @@ hosts:
         interfaces: [enp161s0f0]
       private:
         interfaces: [enp129s0f1]
-    initial_cpu_allocation_ratio: 1.0
+    initial_cpu_allocation_ratio: 2.5
     initial_ram_allocation_ratio: 1.5
   containerv1:
     style: physical
@@ -329,7 +329,7 @@ hosts:
         interfaces: [enp193s0f0]
       private:
         interfaces: [enp193s0f1]
-    initial_cpu_allocation_ratio: 1.0
+    initial_cpu_allocation_ratio: 2.5
     initial_ram_allocation_ratio: 1.5
   cache:
     style: virtual