Merge branch '20-backend-timeout' into 'develop'

Resolve "Backend Timeout"

See merge request jonasblatt/ma-jonasblatt-dmn-verifier!27

dmnverifierfrontend/src/main/resources/META-INF/resources/js/dmnVerifier.js

@@ -37,7 +37,7 @@ function handleStatus() {
 
 function loadAvailableTypes() {
   $.ajax({
-    timeout: 500,
+    timeout: 1000,
     url: dmnApi + 'verification/types',
     type: 'GET',
     contentType: 'text/xml',