Implemented bootstrap method for Rackspace Compute v2.

Added ability to set "metadata" and "personality" fields when creating a server on Rackspace Compute v2.
Improved response parsing when dealing with Rackspace DNS service.

lib/fog/rackspace/models/compute_v2/server.rb

@@ -54,7 +54,7 @@ module Fog
 
         def create
           requires :name, :image_id, :flavor_id
-          data = connection.create_server(name, image_id, flavor_id, 1, 1)
+          data = connection.create_server(name, image_id, flavor_id, 1, 1, attributes)
           merge_attributes(data.body['server'])
           true
         end

lib/fog/rackspace/models/compute_v2/servers.rb

@@ -13,6 +13,13 @@ module Fog
           load(data)
         end
 
+        def bootstrap(new_attributes = {})
+          server = create(new_attributes)
+          server.wait_for { ready? }
+          #server.setup(:password => server.password)
+          server
+        end
+
         def get(server_id)
           data = connection.get_server(server_id).body['server']
           new(data)

lib/fog/rackspace/models/dns/record.rb

@@ -1,5 +1,6 @@
 require 'fog/core/model'
 require 'fog/rackspace/models/dns/callback'
+require 'ipaddr'
 
 module Fog
   module DNS
@@ -55,7 +56,12 @@ module Fog
           end
 
           response = wait_for_job connection.add_records(@zone.identity, [options]).body['jobId']
+
+          if ['A', 'AAAA'].include?(self.type.upcase)
+            merge_attributes(response.body['response']['records'].select {|record| record['name'] == self.name && record['type'] == self.type && IPAddr.new(record['data']) == IPAddr.new(self.value)}.first)
+          else
             merge_attributes(response.body['response']['records'].select {|record| record['name'] == self.name && record['type'] == self.type && record['data'] == self.value}.first)
+          end
           true
         end
 

lib/fog/rackspace/requests/compute_v2/create_server.rb

@@ -14,6 +14,8 @@ module Fog
           }
 
           data['server']['diskConfig'] = options[:disk_config] unless options[:disk_config].nil?
+          data['server']['metadata'] = options[:metadata] unless options[:metadata].nil?
+          data['server']['personality'] = options[:personality] unless options[:personality].nil?
 
           request(
             :body => Fog::JSON.encode(data),