[bbg] create_block should raise errors on failure

lib/fog/bluebox/models/server.rb

@@ -38,7 +38,6 @@ module Fog
       end
 
       def ready?
-        raise Fog::Bluebox::BlockInstantiationError, "Error creating block #{self.id}" if @status == 'error'
         @status == 'running'
       end
 

lib/fog/bluebox/parsers/create_block.rb

@@ -29,9 +29,6 @@ module Fog
             @response['image_id'] = @value
           when 'product'
             @scope = nil
-          when 'error' # An error occurred
-            @response['status'] = 'error'
-            @response[name] = @value
           end
         end
 

lib/fog/bluebox/requests/create_block.rb

@@ -30,7 +30,7 @@ DATA
 
         request(
           :body     => data,
-          :expects  => [200, 409],
+          :expects  => 200,
           :method   => 'POST',
           :parser   => Fog::Parsers::Bluebox::CreateBlock.new,
           :path     => '/api/blocks.xml'