Updated git submodules

Project: externalapi/nbi master 6b8c1f5d9844c92774243834aa3f0f7136a1e222

Externalized app params for deployment

- .env: contains environment variables which override application's default properties
- Dockerfile & docker-compose.yml: takes environment variables into account
- application.properties: included external services configurations

Change-Id: I49937e66d514a42a174cff3bf6c383ecfc8e28e0
Issue-ID: EXTAPI-49
Signed-off-by: Quoc Nghia Nguyen <quocnghia.nguyen@orange.com>

diff --git a/docs/submodules/externalapi/nbi.git b/docs/submodules/externalapi/nbi.git
index 65352f8..6b8c1f5 160000 (submodule)
--- a/docs/submodules/externalapi/nbi.git
+++ b/docs/submodules/externalapi/nbi.git
@@ -1 +1 @@
-Subproject commit 65352f84525c13c7469ba435b3a0adbc83ae4cfc
+Subproject commit 6b8c1f5d9844c92774243834aa3f0f7136a1e222