CI updates

.gitlab-ci.yml

@@ -1,11 +1,13 @@
 stages:
-  - build
+  - deploy
 
 test for build:
-  stage: build
+  stage: deploy
   image: localhost:5000/cpp-test-universal:latest
   tags:
     - cpp-test-universal
+  only:
+    - master
   script:
     - git submodule init
     - git submodule update