Close #280 : router.pingNode support
Fixed location where message is altered after a successful send.
Added checks for messages being altered after send to twoNodes_test and threeNodes_test
Fixed bug in Message_clone() which treated message->capacity incorrectly.
Merge pull request #281 from campadrenalin/bug280-finish-router.lua

cjdlua router.pingNode
#282 Main code done
#282 Remote connecting should work now
Close #282 : Finished UDPInterface module
Merge pull request #283 from campadrenalin/bug282-cjdlua-udp

cjdlua udp module