Packaged class files in jar for unpacked plugins to be able to import from target

releng/org.yakindu.sct.releng/pom.xml

@@ -125,6 +125,38 @@
 						<encoding>UTF-8</encoding>
 					</configuration>
 				</plugin>
+				<plugin>
+					<groupId>org.codehaus.mojo</groupId>
+					<artifactId>build-helper-maven-plugin</artifactId>
+					<version>1.3</version>
+					<executions>
+						<execution>
+							<id>add-source</id>
+							<phase>generate-sources</phase>
+							<goals>
+								<goal>add-source</goal>
+							</goals>
+							<configuration>
+								<sources>
+									<source>src-gen</source>
+								</sources>
+								<sources>
+									<source>${project.build.directory}/xtend-gen</source>
+								</sources>
+							</configuration>
+						</execution>
+					</executions>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-clean-plugin</artifactId>
+					<version>2.4.1</version>
+				</plugin>
+				<plugin>
+					<groupId>org.fornax.toolsupport</groupId>
+					<artifactId>fornax-oaw-m2-plugin</artifactId>
+					<version>3.3.0</version>
+				</plugin>
 				<plugin>
 					<groupId>org.eclipse.tycho.extras</groupId>
 					<artifactId>tycho-source-feature-plugin</artifactId>