make collection.reload do the right thing

lib/fog/aws/models/ec2/addresses.rb

@@ -59,7 +59,7 @@ module Fog
         end
 
         def reload
-          all(public_ip)
+          self.clear.concat(all(public_ip))
         end
 
       end

lib/fog/aws/models/ec2/instances.rb

@@ -56,7 +56,7 @@ module Fog
         end
 
         def reload
-          all(instance_id)
+          self.clear.concat(all(instance_id))
         end
 
       end

lib/fog/aws/models/ec2/key_pairs.rb

@@ -54,7 +54,7 @@ module Fog
         end
 
         def reload
-          all(key_name)
+          self.clear.concat(all(key_name))
         end
 
       end

lib/fog/aws/models/ec2/security_groups.rb

@@ -54,7 +54,7 @@ module Fog
         end
 
         def reload
-          all(group_name)
+          self.clear.concat(all(group_name))
         end
 
       end

lib/fog/aws/models/ec2/snapshots.rb

@@ -64,7 +64,7 @@ module Fog
         end
 
         def reload
-          all(snapshot_id)
+          self.clear.concat(all(snapshot_id))
         end
 
       end

lib/fog/aws/models/ec2/volumes.rb

@@ -61,7 +61,7 @@ module Fog
         end
 
         def reload
-          all(volume_id)
+          self.clear.concat(all(volume_id))
         end
 
       end

lib/fog/aws/models/s3/buckets.rb

@@ -69,7 +69,7 @@ module Fog
         end
 
         def reload
-          all
+          self.clear.concat(all)
         end
 
       end

lib/fog/aws/models/s3/objects.rb

@@ -81,12 +81,12 @@ module Fog
         end
 
         def reload
-          all({
+          self.clear.concat(all({
             'delimiter'   => @delimiter,
             'marker'      => @marker,
             'max-keys'    => @max_keys,
             'prefix'      => @prefix
-          })
+          }))
         end
 
         private

lib/fog/rackspace/models/servers/servers.rb

@@ -42,7 +42,7 @@ module Fog
         end
 
         def reload
-          all
+          self.clear.concat(all)
         end
 
       end