[MAPR-26289][SPARK-2.1] Streaming general improvements (apache#93)

* Added include-kafka-09 profile to Assembly
* Set default poll timeout to 120s

(cherry picked from commit 611e920)

Author: rsotn-mapr

assembly/pom.xml

@@ -168,6 +168,16 @@
         </dependency>
       </dependencies>
     </profile>
+    <profile>
+      <id>include-kafka-09</id>
+      <dependencies>
+        <dependency>
+          <groupId>org.apache.spark</groupId>
+          <artifactId>spark-streaming-kafka-0-9_${scala.binary.version}</artifactId>
+          <version>${project.version}</version>
+        </dependency>
+      </dependencies>
+    </profile>
     <profile>
       <id>spark-ganglia-lgpl</id>
       <dependencies>