Bug 4957 No empty transaction for every connection fix
Every new connection populate transaction in posthandshake
process. So in closing time every (MASTER / SLAVES) instances
make concurent modification submit.
We would like to prevent to have some data for SLAVES in
postHandshake process in transactionManager.
* move initialization NodeInfo data from DeviceManagerImpl
to new util class : DeviceInitializationUtils
Change-Id: I2e70e53e7b21409fe61270690a502d8222ccaec7
Signed-off-by: Jozef Bacigal <jbacigal@cisco.com>