Makes it easier to run samples from command line

Author: yepher

apps/sparkpost-samples-app/pom.xml

@@ -9,6 +9,7 @@
 	<artifactId>sparkpost-samples-app</artifactId>
 	<name>Example use SparkPost library</name>
 	<url>/apps/sparkpost-samples-app/</url>
+	<packaging>jar</packaging>
 
 	<dependencies>
 		<dependency>
@@ -73,6 +74,31 @@
 					</execution>
 				</executions>
 			</plugin>
+
+			<!-- Maven Shade Plugin -->
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-shade-plugin</artifactId>
+				<version>2.3</version>
+				<executions>
+					<!-- Run shade goal on package phase -->
+					<execution>
+						<phase>package</phase>
+						<goals>
+							<goal>shade</goal>
+						</goals>
+						<configuration>
+							<transformers>
+								<!-- add Main-Class to manifest file -->
+								<transformer
+									implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+									<mainClass>com.sparkpost.samples.DeliverabilityMetricsSample</mainClass>
+								</transformer>
+							</transformers>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
 		</plugins>
 	</build>