lehned

Rework FoE Busy handling and enables in global test of win32

9

There are two commits: 1st: FoE has incorrect BUSY handling without resending a packet and therefore aborting due timeout on wait of a never sended packet. 2nd: cleanup win32 examples...

User selectable adding of optional childs from a TypeNode

3

Description =========== Hello, some _TypeNodes_ could have references like _HasModellingRule_ as _Optional_. In this case especially they will be skipped at the creation of the instance. ``` ua_service_nodemanagment.c - copyChildNode():...