[aws|iam] added update signing certificate support

lib/fog/aws/iam.rb

@@ -31,6 +31,7 @@ module Fog
       request :update_access_key
       request :update_group
       request :update_user
+      request :update_signing_certificate
       request :upload_signing_certificate
 
       class Mock

lib/fog/aws/parsers/iam/update_group.rb

@@ -5,7 +5,6 @@ module Fog
 
         class UpdateGroup < Fog::Parsers::Base
         # http://docs.amazonwebservices.com/IAM/latest/APIReference/index.html?API_UpdateGroup.html
-        
           def reset
             @response = { 'Group' => {} }
           end

lib/fog/aws/requests/iam/update_group.rb

@@ -6,7 +6,7 @@ module Fog
         require 'fog/aws/parsers/iam/update_group'
 
         # Update a Group
-        # 
+        #
         # ==== Parameters
         # * group_name<~String> - Required. Name of the Group to update. If you're changing the name of the Group, this is the original Group name.
         # * options<~Hash>:

lib/fog/aws/requests/iam/update_signing_certificate.rb

@@ -0,0 +1,32 @@
+module Fog
+  module AWS
+    class IAM
+      class Real
+        # Update a Signing Certificate
+        #
+        # ==== Parameters
+        # * certificate_id<~String> - Required. ID of the Certificate to update.
+        # * status<~String> - Required. Active/Inactive
+        # * options<~Hash>:
+        #   * user_name<~String> - Name of the user the signing certificate belongs to.
+        # ==== Returns
+        # * response<~Excon::Response>:
+        #   * body<~Hash>:
+        #     * 'RequestId'<~String> - Id of the request
+        #
+        # ==== See Also
+        # http://docs.amazonwebservices.com/IAM/latest/APIReference/index.html?API_UpdateSigningCertificate.html
+        #
+        def update_signing_certificate(certificate_id, status, options = {})
+          request({
+            'Action'        => 'UpdateSigningCertificate',
+            'CertificateId' => certificate_id,
+            'Status'        => status,
+            :parser         => Fog::Parsers::AWS::IAM::Basic.new
+          }.merge!(options))
+        end
+
+      end
+    end
+  end
+end