Address Checkstyle violations

apis/openstack-cinder/src/main/java/org/jclouds/openstack/cinder/v1/domain/VolumeQuota.java

@@ -102,7 +102,7 @@ public class VolumeQuota {
       return new ConcreteBuilder().fromVolumeQuota(this);
    }
 
-   public static abstract class Builder<T extends Builder<T>> {
+   public abstract static class Builder<T extends Builder<T>> {
       protected abstract T self();
 
       protected String id;
@@ -164,4 +164,4 @@ public class VolumeQuota {
          return this;
       }
    }
-}
+}

apis/openstack-keystone/src/main/java/org/jclouds/openstack/keystone/v2_0/handlers/RetryOnRenew.java

@@ -52,7 +52,7 @@ public class RetryOnRenew implements HttpRetryHandler {
    protected Logger logger = Logger.NULL;
 
    @VisibleForTesting
-   final static int NUM_RETRIES = 5;
+   static final int NUM_RETRIES = 5;
 
    private final LoadingCache<Credentials, Access> authenticationResponseCache;
 

apis/openstack-nova/src/main/java/org/jclouds/openstack/nova/v2_0/extensions/AvailabilityZoneAPI.java

@@ -37,4 +37,4 @@ public interface AvailabilityZoneAPI {
     */
    FluentIterable<? extends AvailabilityZone> list();
 
-}
+}

apis/openstack-nova/src/main/java/org/jclouds/openstack/nova/v2_0/extensions/AvailabilityZoneAsyncApi.java

@@ -55,4 +55,4 @@ public interface AvailabilityZoneAsyncApi {
    @Fallback(Fallbacks.EmptyFluentIterableOnNotFoundOr404.class)
    ListenableFuture<? extends FluentIterable<? extends AvailabilityZone>> list();
 
-}
+}