Address Checkstyle violations

apis/ec2/src/main/java/org/jclouds/ec2/domain/BlockDeviceMapping.java

@@ -234,7 +234,7 @@ public class BlockDeviceMapping implements Comparable<BlockDeviceMapping> {
             return false;
       } else if (!volumeType.equals(other.volumeType))
          return false;
-      if (iops== null) {
+      if (iops == null) {
          if (other.iops != null)
             return false;
       } else if (!iops.equals(other.iops))

apis/ec2/src/main/java/org/jclouds/ec2/domain/Volume.java

@@ -347,6 +347,6 @@ public class Volume implements Comparable<Volume> {
       return "Volume [attachments=" + attachments + ", availabilityZone=" + availabilityZone + ", createTime="
               + createTime + ", id=" + id + ", region=" + region + ", size=" + size + ", snapshotId=" + snapshotId
               + ", status=" + status + ", volumeType=" + volumeType + ", iops=" + iops + ", encrypted=" + encrypted
-              +"]";
+              + "]";
    }
 }

apis/ec2/src/test/java/org/jclouds/ec2/features/AMIApiLiveTest.java

@@ -33,7 +33,6 @@ import java.util.Iterator;
 import java.util.Properties;
 import java.util.Set;
 
-import org.jclouds.Constants;
 import org.jclouds.aws.AWSResponseException;
 import org.jclouds.compute.RunNodesException;
 import org.jclouds.compute.domain.Template;

common/openstack/src/test/java/org/jclouds/openstack/keystone/v1_1/handlers/RetryOnRenewTest.java

@@ -31,7 +31,6 @@ import org.jclouds.http.HttpResponse;
 import org.jclouds.http.handlers.BackoffLimitedRetryHandler;
 import org.jclouds.io.Payloads;
 import org.jclouds.openstack.keystone.v1_1.domain.Auth;
-import org.jclouds.openstack.keystone.v1_1.handlers.RetryOnRenew;
 import org.testng.annotations.Test;
 
 import com.google.common.cache.LoadingCache;