extend device simulator of create DDI and DMF devices and a Vaadin UI

for manage them.

Signed-off-by: Michael Hirsch <michael.hirsch@bosch-si.com>

examples/hawkbit-device-simulator/src/main/resources/application.properties

@@ -25,7 +25,7 @@ spring.rabbitmq.virtualHost=/
 spring.rabbitmq.host=localhost
 spring.rabbitmq.port=5672
 spring.rabbitmq.dynamic=true
-
+spring.rabbitmq.listener.prefetch=100
 
 # SECURITY (SecurityProperties)
 security.user.name=${BASIC_USERNAME:admin}
@@ -44,6 +44,6 @@ security.headers.frame=false
 security.headers.content-type=false
 security.headers.hsts=all
 security.sessions=stateless
-security.ignored=
+security.ignored=/VAADIN/**
 
 server.port=8083