Add new sandbox (#741)

* Add new sandbox files and remove temporary unavailable notice
* remove old deployment script
* adapt application properties
* restructure hawkbit-runtime
* move sandbox description.
* adapt license checks
* Introduce review findings and add new docker files
* Remove redundant profile and attribute
* Update website
* redirect to sandbox
* getting started
* Add description for docker folder and renew favicon

hawkbit-runtime/hawkbit-update-server/src/main/resources/application.properties

@@ -20,7 +20,6 @@ hawkbit.server.ddi.security.authentication.gatewaytoken.enabled=true
 hawkbit.server.repository.publish-target-poll-event=false
 
 ## Configuration for DMF/RabbitMQ integration
-spring.profiles.active=amqp
 spring.rabbitmq.username=guest
 spring.rabbitmq.password=guest
 spring.rabbitmq.virtualHost=/
@@ -39,6 +38,9 @@ hawkbit.server.ui.demo.tenant=DEFAULT
 spring.http.multipart.max-file-size=1024MB
 spring.http.multipart.max-request-size=-1
 
+# UI Favicon
+spring.mvc.favicon.enabled=false
+
 # UI help links
 hawkbit.server.ui.links.documentation.root=https://www.eclipse.org/hawkbit/
 hawkbit.server.ui.links.documentation.security=https://www.eclipse.org/hawkbit/concepts/authentication/