Effort to reduce image layer and size

Effort to reduce image layer and size

Removing few ENV version variable and those should be read
from pom properties (maven-resource-plugin filtering true)

Combined Dockerfile and Standalone.Dockerfile

Adding Docker build arg AAF which will decide whether to add
aaa-app-config.xml in docker image or not for standalone

Updated docker-maven-plugin to 0.34.0 to have noCache true

Removing start-it-container execution as it's being tested by CSIT

Replacing maven-exec-plugin with maven-antrun-plugin

Updating latest base docker images versions

Updating parent version to 2.1.7

Issue-ID: CCSDK-3226
Signed-off-by: Singal, Kapil (ks220y) <ks220y@att.com>
Change-Id: I68f8f4780804a2014b73b5eeb9dba29d1896a602

Former-commit-id: 866ddebbcac80c38c79c46bb37373123a0c678f0