added source build for feature

features/org.eclipse.gmf.runtime.emf.clipboard.core.patch-feature/pom.xml

@@ -12,4 +12,18 @@
 	<artifactId>org.eclipse.gmf.runtime.emf.clipboard.core.patch</artifactId>
 	<packaging>eclipse-feature</packaging>
 	<groupId>org.yakindu.sct.features</groupId>
+	
+		<build>
+		<plugins>
+			<plugin>
+				<groupId>org.eclipse.tycho.extras</groupId>
+				<artifactId>tycho-source-feature-plugin</artifactId>
+			</plugin>
+			<plugin>
+				<groupId>org.eclipse.tycho</groupId>
+				<artifactId>tycho-p2-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+	
 </project>