Changed backend port to 8090 (#260)

Changed the configuration file pointing to the backend

Author: m-linner-ericsson

src/main/resources/application.properties

@@ -21,7 +21,7 @@ ei.use.secure.http.frontend=false
 ######## EI Default Back-Ends
 ei.backend.instances.filepath=
 #ei.backend.instances.list.json.content=
-ei.backend.instances.list.json.content=[{"name":"EI-Backend-1","host":"localhost","port":8070,"contextPath":"","https":false,"defaultBackend":true}]
+ei.backend.instances.list.json.content=[{"name":"EI-Backend-1","host":"localhost","port":8090,"contextPath":"","https":false,"defaultBackend":true}]
 
 ###### EI Documentation Link Url ##########
 ei.eiffel.documentation.urls={ "EI front-end documentation": "https://eiffel-community.github.io/eiffel-intelligence-frontend",\