Fixed feign usage after Spring Boot 1.3 upgrade

Signed-off-by: Kai Zimmermann <kai.zimmermann@bosch-si.com>

examples/hawkbit-example-core-feign-client/pom.xml

@@ -32,7 +32,6 @@
       <dependency>
          <groupId>org.springframework.cloud</groupId>
          <artifactId>spring-cloud-netflix-core</artifactId>
-         <version>1.0.7.RELEASE</version>
       </dependency>
        <dependency>
          <groupId>org.slf4j</groupId>

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

@@ -10,12 +10,14 @@ package org.eclipse.hawkbit.feign.core.client;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
+import java.util.LinkedHashMap;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.cloud.netflix.feign.support.SpringMvcContract;
 
 import feign.MethodMetadata;
+import feign.Param;
 
 /**
  * Own implementation of the {@link SpringMvcContract} which catches the
@@ -39,5 +41,6 @@ public class IgnoreMultipleConsumersProducersSpringMvcContract extends SpringMvc
             // https://github.com/spring-cloud/spring-cloud-netflix/issues/808
             LOGGER.trace(e.getMessage(), e);
         }
+        data.indexToExpander(new LinkedHashMap<Integer, Param.Expander>());
     }
 }