[Brightbox] Adds Servers#bootstrap

This adds the bootstrap method needed to create a server and gain a
public IP address as per the fog documentation.

lib/fog/brightbox/models/compute/servers.rb

@@ -14,6 +14,38 @@ module Fog
           load(data)
         end
 
+        # Creates a server and maps an Cloud IP
+        #
+        # By default the public SSH key you have registered with
+        # Brightbox is already made available in an AWS compatible
+        # metdata service.
+        #
+        # @todo Support uploading of arbitary SSH keys
+        #
+        # @param [Hash] options
+        # @option options [String] name      Name for the server
+        # @option options [String] flavor_id Identifier for virtual hardware type to request
+        # @option options [String] image_id  Identifier for image to use when creating
+        # @option options [String] zone_id   Identifer for preferred zone to locate server in
+        # @option options [Array<String>] server_groups List of group identifiers for the server to join
+        #
+        # @return Fog::Compute::Brightbox::Server
+        #
+        def bootstrap(options = {})
+          server = create(options)
+
+          # Ensure server is now available
+          server.wait_for { ready? }
+
+          # To get a public IP address we need to map a cloud IP address
+          cip = connection.cloud_ips.allocate
+          cip.map(server)
+          cip.wait_for { mapped? }
+
+          # Reload so the public IP is now available
+          server.reload
+        end
+
         def get(identifier)
           return nil if identifier.nil? || identifier == ""
           data = connection.get_server(identifier)
@@ -26,4 +58,4 @@ module Fog
 
     end
   end
-end
+end