added build configuration for qt 5.9.0 with visual studio 2015 on windows

.gitlab-ci.yml

@@ -80,6 +80,33 @@ VS2015-Qt-5.6.2-x32:
     paths:
       - rel/*.exe
 
+VS2015-Qt-5.9.0-x64:
+  script: "CI\\ci-windows.bat"
+  variables:
+     GIT_SUBMODULE_STRATEGY: recursive
+     ARCHITECTURE: "x64"
+     QT_VERSION: "Qt5.9.0"
+     COMPILER: "VS2015"
+  tags: 
+    - VS2015
+    - Qt56
+  artifacts:
+    paths:
+      - rel/*.exe
+
+VS2015-Qt-5.9.0-x32:
+  script: "CI\\ci-windows.bat"
+  variables:
+    GIT_SUBMODULE_STRATEGY: recursive
+    ARCHITECTURE: "x32"
+    QT_VERSION: "Qt5.9.0"
+    COMPILER: "VS2015"
+  tags: 
+    - VS2015
+    - Qt56
+  artifacts:
+    paths:
+      - rel/*.exe
 
 VS2013-Qt-5.5.1-x64:
   script: "CI\\VS2013-Qt-5.5.1-x64.bat"