MT#9287 Implement status logic for usage on carrier systems

While at it move further HA/PRO code to ngcpcfg-ha

Change-Id: I2d9e9dd236a9aee7e7c1fd40a0392077ebf6c13a
MT#9579 ngcp-sync-constants: fix check for master host

Previously we were using the IP not the hostname

Change-Id: I48e2bb57da5ac32879d11ca51dd675db2b817ba6
MT#9709 fix b196b6b04f Using wrong var.

This was producing empty values at ngcp-ossbss template mysql_values.cfg file
on a cluster_set of central type

Change-Id: I68160a9c5bef078d3154c6e8da6db1e9bcbb07aa