1. Rename mgmt api client

2. Split the spring boot application and the client api resources to 2
projects

Signed-off-by: SirWayne <dennis.melzer@bosch-si.com>

examples/hawkbit-example-feign-core-client/src/main/java/org/eclipse/hawkbit/feign/core/client/FeignClientConfiguration.java

@@ -8,16 +8,22 @@
  */
 package org.eclipse.hawkbit.feign.core.client;
 
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.cloud.netflix.feign.FeignClientsConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
 
 import feign.Contract;
+import feign.Feign;
 
 /**
  * 
  *
  */
 @Configuration
+@ConditionalOnClass(Feign.class)
+@Import(FeignClientsConfiguration.class)
 public class FeignClientConfiguration {
 
     @Bean