[stormondemand|compute] Add stats graph API

lib/fog/storm_on_demand/compute.rb

@@ -69,6 +69,8 @@ module Fog
       request :restore_image
 
       request :get_stats
+      request :get_stats_graph
+      
       request :list_private_ips      
       
       class Mock

lib/fog/storm_on_demand/models/compute/stat.rb

@@ -7,7 +7,7 @@ module Fog
       class Stat < Fog::Model
         attribute :loadavg
         attribute :memory
-        attribute :virtual
+        attribute :proc
         attribute :domain
         attribute :disk
         attribute :uptime

lib/fog/storm_on_demand/models/compute/stats.rb

@@ -15,6 +15,10 @@ module Fog
           nil
         end
 
+        def graph(options)
+          service.get_stats_graph(options).body
+        end
+
       end
 
     end

lib/fog/storm_on_demand/requests/compute/get_stats.rb

@@ -5,7 +5,7 @@ module Fog
 
         def get_stats(options = {})
           request(
-            :path     => "/monitoring/load/stats",
+            :path     => "/Monitoring/Load/stats",
             :body     => Fog::JSON.encode({:params => options})
           )
         end

lib/fog/storm_on_demand/requests/compute/get_stats_graph.rb

@@ -0,0 +1,16 @@
+module Fog
+  module Compute
+    class StormOnDemand
+      class Real
+
+        def get_stats_graph(options={})
+          request(
+            :path => '/Monitoring/Load/graph',
+            :body => Fog::JSON.encode(:params => options)
+          )
+        end
+
+      end
+    end
+  end
+end