synchronize status property with server data structure

app/components/architecture-visualisation-cytoscape/style.js

@@ -92,10 +92,10 @@ edge {
     curve-style: bezier; /* supports arrows */
 }
 
-.warning {
+.WARNING {
     background-color: yellow;
 }
-.fail {
+.FAIL {
     background-color: red;
 }
 

app/models/measurable.js

@@ -4,7 +4,7 @@ import attr from 'ember-data/attr';
 const Model = BaseEntity.extend({
     timeSeries: attr(),
     statusInformations: attr(),
-    status: attr('string')
+    status: attr('string') // NORMAL, WARNING, FAIL
 });
 
 export default Model;