Add IAMInstanceProfile support to launch configs

lib/fog/aws/models/auto_scaling/configuration.rb

@@ -9,6 +9,7 @@ module Fog
         attribute :arn,                   :aliases => 'LaunchConfigurationARN'
         attribute :block_device_mappings, :aliases => 'BlockDeviceMappings'
         attribute :created_at,            :aliases => 'CreatedTime'
+        attribute :iam_instance_profile,  :aliases => 'IamInstanceProfile'
         attribute :image_id,              :aliases => 'ImageId'
         #attribute :instance_monitoring,   :aliases => 'InstanceMonitoring'
         attribute :instance_monitoring,   :aliases => 'InstanceMonitoring', :squash => 'Enabled'

lib/fog/aws/parsers/auto_scaling/describe_launch_configurations.rb

@@ -68,6 +68,8 @@ module Fog
               @launch_configuration[name] = value
             when 'KernelId', 'RamdiskId', 'UserData'
               @launch_configuration[name] = value
+            when 'IamInstanceProfile'
+              @launch_configuration[name] = value
 
             when 'BlockDeviceMappings'
               @in_block_device_mappings = false

lib/fog/aws/requests/auto_scaling/create_launch_configuration.rb

@@ -85,6 +85,7 @@ module Fog
           self.data[:launch_configurations][launch_configuration_name] = {
             'BlockDeviceMappings'     => [],
             'CreatedTime'             => Time.now.utc,
+            'IamInstanceProfile'      => nil,
             'ImageId'                 => image_id,
             'InstanceMonitoring'      => {'Enabled' => true},
             'InstanceType'            => instance_type,