[FLINK-16834] Add flink-clients dependency to all example modules

This commit adds a flink-clients dependency to all example modules. That
way they become executable from the IDE again.

flink-examples/flink-examples-streaming/pom.xml

@@ -50,6 +50,12 @@ under the License.
 			<version>${project.version}</version>
 		</dependency>
 
+		<dependency>
+			<groupId>org.apache.flink</groupId>
+			<artifactId>flink-clients_${scala.binary.version}</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+
 		<dependency>
 			<groupId>org.apache.flink</groupId>
 			<artifactId>flink-connector-twitter_${scala.binary.version}</artifactId>

flink-examples/flink-examples-table/pom.xml

@@ -62,6 +62,12 @@ under the License.
 			<artifactId>flink-streaming-scala_${scala.binary.version}</artifactId>
 			<version>${project.version}</version>
 		</dependency>
+
+		<dependency>
+			<groupId>org.apache.flink</groupId>
+			<artifactId>flink-clients_${scala.binary.version}</artifactId>
+			<version>${project.version}</version>
+		</dependency>
 	</dependencies>
 
 	<build>