Merge pull request #143 from rapid7/support-engine-id-in-discovery

Send the engine-id when calling DiscoveryConnection#save

lib/nexpose/discovery.rb

@@ -55,6 +55,9 @@ module Type
     # The IP address or fully qualified domain name of the server.
     attr_accessor :address
 
+    # The engine ID to use for this connection.
+    attr_accessor :engine_id
+
     # A user name that can be used to log into the server.
     attr_accessor :user
 
@@ -150,6 +153,7 @@ def as_xml
       xml.attributes['user-name'] = @user
       xml.attributes['password']  = @password
       xml.attributes['type']      = @type if @type
+      xml.attributes['engine-id'] = @engine_id if @engine_id && @engine_id != -1
       xml
     end