Switch imagePullPolicy to Always

Note: The k8s configuration best practices doc mentions how the Always
setting is efficient due to Docker caching semantics.

Author: Steve Salas

codedx-tool-orchestration/templates/tool-service-deployment.yaml

@@ -30,6 +30,7 @@ spec:
       containers:
       - name: tool-service
         image: {{ .Values.toolServiceImageName | quote }}
+        imagePullPolicy: Always
         command: ["/opt/codedx/service/bin/service"]
         args: ["-adminApiKeyPath", "/opt/codedx/service/secrets/adminApiKey",
           "-codeDxBaseUrl", "{{ required "codedxBaseUrl is required" .Values.codedxBaseUrl }}",