Bug 478027: Impossible to install EASE from current updatesite 

  using jboss build helper to add reference p2 site

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=478027
Change-Id: Id35edf131de59f4f7c08876e348a98ce611a121b
diff --git a/releng/org.eclipse.ease.modules.releng.p2/pom.xml b/releng/org.eclipse.ease.modules.releng.p2/pom.xml
index 61cd114..bba6a31 100644
--- a/releng/org.eclipse.ease.modules.releng.p2/pom.xml
+++ b/releng/org.eclipse.ease.modules.releng.p2/pom.xml
@@ -11,6 +11,42 @@
 		<relativePath>../org.eclipse.ease.modules.releng</relativePath>
 	</parent>
 
+	<pluginRepositories>
+		<pluginRepository>
+			<id>jboss-public-repository-group</id>
+			<name>JBoss Public Repository Group</name>
+			<url>http://repository.jboss.org/nexus/content/groups/public/</url>
+		</pluginRepository>
+		<pluginRepository>
+			<id>jboss-snapshots-repository</id>
+			<name>JBoss Snapshots Repository</name>
+			<url>https://repository.jboss.org/nexus/content/repositories/snapshots/</url>
+		</pluginRepository>
+	</pluginRepositories>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.jboss.tools.tycho-plugins</groupId>
+				<artifactId>repository-utils</artifactId>
+				<executions>
+					<execution>
+						<id>generate-facade</id>
+						<phase>package</phase>
+						<goals>
+							<goal>generate-repository-facade</goal>
+						</goals>
+						<configuration>
+							<associateSites>
+								<site>http://download.eclipse.org/technology/nebula/snapshot</site>
+							</associateSites>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+
 	<profiles>
 		<profile>
 			<id>update-p2</id>