Merge pull request #449 from coliver/master

[aws|compute] Added missing 'platform' attribute to server model and describe instances request.

lib/fog/compute/models/aws/server.rb

@@ -25,6 +25,7 @@ module Fog
         attribute :created_at,            :aliases => 'launchTime'
         attribute :monitoring,            :squash => 'state'
         attribute :placement_group,       :aliases => 'groupName'
+        attribute :platform,              :aliases => 'platform'
         attribute :product_codes,         :aliases => 'productCodes'
         attribute :private_dns_name,      :aliases => 'privateDnsName'
         attribute :private_ip_address,    :aliases => 'privateIpAddress'

lib/fog/compute/parsers/aws/describe_instances.rb

@@ -30,7 +30,7 @@ module Fog
               @instance['placement'][name] = value
             when 'architecture', 'clientToken', 'dnsName', 'imageId',
                   'instanceId', 'instanceType', 'ipAddress', 'kernelId',
-                  'keyName', 'privateDnsName', 'privateIpAddress', 'ramdiskId',
+                  'keyName', 'platform', 'privateDnsName', 'privateIpAddress', 'ramdiskId',
                   'reason', 'rootDeviceType'
               @instance[name] = value
             when 'attachTime'