SDK AutoConfig & improvements & fixes (#1663)

* SDK autoconfiguration added
* Option for custom error decoder and request interceptor added
* Fixed authentication for targets with security token

Signed-off-by: Marinov Avgustin <Avgustin.Marinov@bosch.com>

hawkbit-sdk/hawkbit-sdk-demo/src/main/java/org/eclipse/hawkbit/sdk/demo/SetupHelper.java

@@ -93,8 +93,10 @@ public class SetupHelper {
                         securityTargetToken = randomToken();
                         mgmtTargetRestApi.updateTarget(controllerId,
                                 new MgmtTargetRequestBody().setSecurityToken(securityTargetToken));
+                    } else {
+                        securityTargetToken = target.getSecurityToken();
                     }
-                } else if (!securityTargetToken.equals(target.getSecurityToken())){
+                } else if (!securityTargetToken.equals(target.getSecurityToken())) {
                     // update target's with the security token (since it doesn't match)
                     mgmtTargetRestApi.updateTarget(controllerId,
                             new MgmtTargetRequestBody().setSecurityToken(securityTargetToken));

hawkbit-sdk/hawkbit-sdk-demo/src/main/java/org/eclipse/hawkbit/sdk/demo/device/DeviceApp.java

@@ -40,7 +40,6 @@ import java.util.concurrent.ScheduledExecutorService;
  */
 @Slf4j
 @SpringBootApplication
-@Import({ HawkbitSDKConfigurtion.class})
 public class DeviceApp {
 
     public static void main(String[] args) {

hawkbit-sdk/hawkbit-sdk-demo/src/main/java/org/eclipse/hawkbit/sdk/demo/multidevice/MultiDeviceApp.java

@@ -41,7 +41,6 @@ import java.util.concurrent.ScheduledExecutorService;
  */
 @Slf4j
 @SpringBootApplication
-@Import({ HawkbitSDKConfigurtion.class})
 public class MultiDeviceApp {
 
     public static void main(String[] args) {

hawkbit-sdk/hawkbit-sdk-demo/src/main/resources/application.properties

@@ -9,7 +9,6 @@
 #
 
 spring.main.web-application-type=none
-spring.cloud.openfeign.httpclient.hc5.enabled=true
 
 logging.level.org.eclipse.hawkbit=DEBUG