Add syslog configuration support for edges to nsxadmin utility.
Syslog config on edge consists of 2 syslog server IPs and protocol.
Syslog config can only be updated as one bundle (no way to update
protocol only)
to show syslog config:
nsxadmin -o nsx-list -r edges --verbose
to update syslog config:
nsxadmin -o nsx-update -r edges -p edge-id=<edge id>
-p syslog-server=<ip> -p syslog-server2=<ip>
-p syslog-proto=tcp|udp
to delete syslog config:
nsxadmin -o nsx-update -r edges -p edge-id=<edge id>
-p syslog-server=none
Change-Id: I26a29d7fdce6a835b4771b890c9973753ec92d79