Adding helm charts for vFirewall.

Adding helm charts for vFirewall.

The charts are complete with templating and basic constructs.
They need to be modified in terms of chart dependency and also address
network configuration. Addressed comments, changed network config
values and included subcharts. Removed redundent vars. Removed
shell vars and updated sink. Updated vars. Removed escape
chars from password which and removed comment in pod annotations.
Removed comments from network files. Changed the deployment file
lables for all 3 charts. Extricated some of the values addressed by comments.
Set global vars. Updated sink-service labels.

Change-Id: Id6fc2e066c8a6c5b33b65caae3a49637521c3133
Issue-ID: MULTICLOUD-628
Signed-off-by: Akhila Kishore <akhila.kishore@intel.com>