Fix file not found error

In addition the following:
Disable designate import function
Install ping and nc to docker container (Dockerfile)

Issue-Id: DCAEGEN2-127
Change-Id: I13a8684260e9352bf2ae5efb7f6837f23a58cf97
Signed-off-by: Lusheng Ji <lji@research.att.com>
3 files changed