CCNS : * Update NDK to version 2.8.2 where the NDKEvent.publish() is back working

* Provide a explicitRelayUrls when you create a NDK object otherwise it won't work when you set these relays by the property of the NDK object

* Added some console.logs to show to which relays NDK is connecting

https://github.com/Sebastix/CCNS/commit/06bd602f2e8e057c72a4982c6648bc9aa3490db3