add multi key support

fixes #2287
Have a look at `MessageEndpointMappingCollection`
Also
http://stackoverflow.com/questions/19521835/implement-custom-section-with-a-configuration-element-collection-c-sharp


On 13 August 2014 14:05, Simon Cropp <notifications@github.com> wrote:

> In src/NServiceBus.Core/Config/RijndaelEncryptionServiceConfig.cs:
>
> > @@ -23,5 +23,21 @@ public string Key
> >                  this["Key"] = value;
> >              }
> >          }
> > +
> > +        /// <summary>
> > +        /// The encryption keys.
> > +        /// </summary>
> > +        [ConfigurationProperty("Keys", IsRequired = false)]
> > +        public string Keys
>
> can you point me to the doco on how to do this?
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/Particular/NServiceBus/pull/2303/files#r16156591>.
>