[SPARK-7722] [STREAMING] Added Kinesis to style checker

Author: Tathagata Das <tathagata.das1565@gmail.com>

Closes #6325 from tdas/SPARK-7722 and squashes the following commits:

9ab35b2 [Tathagata Das] Fixed styles in Kinesis

dev/scalastyle

@@ -17,11 +17,11 @@
 # limitations under the License.
 #
 
-echo -e "q\n" | build/sbt -Phive -Phive-thriftserver scalastyle > scalastyle.txt
-echo -e "q\n" | build/sbt -Phive -Phive-thriftserver test:scalastyle >> scalastyle.txt
+echo -e "q\n" | build/sbt -Pkinesis-asl -Phive -Phive-thriftserver scalastyle > scalastyle.txt
+echo -e "q\n" | build/sbt -Pkinesis-asl -Phive -Phive-thriftserver test:scalastyle >> scalastyle.txt
 # Check style with YARN built too
-echo -e "q\n" | build/sbt -Pyarn -Phadoop-2.2 scalastyle >> scalastyle.txt
-echo -e "q\n" | build/sbt -Pyarn -Phadoop-2.2 test:scalastyle >> scalastyle.txt
+echo -e "q\n" | build/sbt -Pkinesis-asl -Pyarn -Phadoop-2.2 scalastyle >> scalastyle.txt
+echo -e "q\n" | build/sbt -Pkinesis-asl -Pyarn -Phadoop-2.2 test:scalastyle >> scalastyle.txt
 
 ERRORS=$(cat scalastyle.txt | awk '{if($1~/error/)print}')
 rm scalastyle.txt

extras/kinesis-asl/src/test/scala/org/apache/spark/streaming/kinesis/KinesisReceiverSuite.scala

@@ -57,7 +57,7 @@ class KinesisReceiverSuite extends TestSuiteBase with Matchers with BeforeAndAft
   var checkpointStateMock: KinesisCheckpointState = _
   var currentClockMock: Clock = _
 
-  override def beforeFunction() = {
+  override def beforeFunction(): Unit = {
     receiverMock = mock[KinesisReceiver]
     checkpointerMock = mock[IRecordProcessorCheckpointer]
     checkpointClockMock = mock[ManualClock]