Merge branch '207-continous-integration-tests' into 'master'

CI test for frontend

See merge request !112

.gitlab-ci.yml

+image: node
+
+before_script:
+  - cd frontend-js
+  - npm install  
+  - cd ..
+
+test_frontend:
+  script:
+    - cd frontend-js
+    - npm test
+  
\ No newline at end of file

README.md

+[![build status](https://git-r3lab.uni.lu/piotr.gawron/minerva/badges/207-continous-integration-tests/build.svg)](https://git-r3lab.uni.lu/piotr.gawron/minerva/commits/207-continous-integration-tests)
+
 # Rest API (version 11)
 
 ## Introduction

frontend-js/.idea/preferred-vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PreferredVcsStorage">
+    <preferredVcsName>ApexVCS</preferredVcsName>
+  </component>
+</project>
\ No newline at end of file

frontend-js/package.json

@@ -26,9 +26,9 @@
     "exorcist": "^0.4.0",
     "file-url": "^2.0.0",
     "istanbul": "0.4.5",
-    "jquery": "3.1.1",
-    "jquery-ui-dist": "^1.12.1",
-    "jsdom": "^11.1.0",
+    "jquery": "1.12.1",
+    "jquery-ui-dist": "1.12.1",
+    "jsdom": "11.1.0",
     "jsdom-global": "^2.1.1",
     "jshint": "^2.9.4",
     "log4js-memory-appender": "1.0.5",