BUG-969 Move fake read on nodes/node to separate thread.

This will prevent blocking of config thread.

Change-Id: Ieb2e1c192ef91775153837956e6e6a428985c2d1
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Merge "BUG-969 Move fake read on nodes/node to separate thread."