[FLINK-7303] [build] Build elasticsearch5 by default

This closes apache#4426.

flink-connectors/pom.xml

@@ -48,6 +48,7 @@ under the License.
 		<module>flink-connector-elasticsearch-base</module>
 		<module>flink-connector-elasticsearch</module>
 		<module>flink-connector-elasticsearch2</module>
+		<module>flink-connector-elasticsearch5</module>
 		<module>flink-connector-rabbitmq</module>
 		<module>flink-connector-twitter</module>
 		<module>flink-connector-nifi</module>
@@ -86,20 +87,6 @@ under the License.
 				<module>flink-connector-kinesis</module>
 			</modules>
 		</profile>
-
-		<!--
-			Since Elasticsearch 5.x requires Java 8 at a minimum, we use this profile
-			to include it as part of Java 8 builds only.
-		-->
-		<profile>
-			<id>include-elasticsearch5</id>
-			<activation>
-				<jdk>1.8</jdk>
-			</activation>
-			<modules>
-				<module>flink-connector-elasticsearch5</module>
-			</modules>
-		</profile>
 	</profiles>
 
 </project>

tools/travis_mvn_watchdog.sh

@@ -79,6 +79,7 @@ flink-connectors/flink-jdbc,\
 flink-connectors/flink-connector-cassandra,\
 flink-connectors/flink-connector-elasticsearch,\
 flink-connectors/flink-connector-elasticsearch2,\
+flink-connectors/flink-connector-elasticsearch5,\
 flink-connectors/flink-connector-elasticsearch-base,\
 flink-connectors/flink-connector-filesystem,\
 flink-connectors/flink-connector-kafka-0.8,\
@@ -92,14 +93,6 @@ flink-connectors/flink-connector-twitter"
 MODULES_TESTS="\
 flink-tests"
 
-if [[ $PROFILE == *"jdk8"* ]]; then
-	case $TEST in
-		(connectors)
-			MODULES_CONNECTORS="$MODULES_CONNECTORS,flink-connectors/flink-connector-elasticsearch5"
-		;;
-	esac
-fi
-
 if [[ $PROFILE == *"include-kinesis"* ]]; then
 	case $TEST in
 		(connectors)