added xtend-gen to build.properties and changes build repo to jenkins by default

plugins/org.yakindu.sct.generator.c/.classpath

@@ -1,8 +1,8 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="xtend-gen"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
-	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="xtend-gen"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

plugins/org.yakindu.sct.generator.c/build.properties

@@ -1,4 +1,5 @@
-source.. = src/
+source.. = src/,\
+	xtend-gen/
 bin.includes = META-INF/,\
                .,\
                library/,\

plugins/org.yakindu.sct.generator.c/pom.xml

@@ -45,6 +45,10 @@
 					</filesets>
 				</configuration>
 			</plugin>
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>build-helper-maven-plugin</artifactId>
+			</plugin>
 			
 			<plugin>
 				<groupId>org.eclipse.xtend</groupId>