SLING-845 - delete top-level sling folder using an ant task as the maven-clean-plugin config can slow things down

git-svn-id: https://svn.apache.org/repos/asf/incubator/sling/trunk@762360 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 6d401a0..cb5e69c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -104,6 +104,25 @@
                 </configuration>
             </plugin>
             <plugin>
+                 <groupId>org.apache.maven.plugins</groupId>
+                 <artifactId>maven-antrun-plugin</artifactId>
+                 <executions>
+                     <execution>
+                         <id>delete-sling-folder</id>
+                         <phase>package</phase>
+                         <goals>
+                             <goal>run</goal>
+                         </goals>
+                         <configuration>
+                             <tasks>
+                                 <echo>SLING-845 - delete parent sling folder before integration tests</echo>
+                                 <delete dir="../../sling"/>
+                             </tasks>
+                        </configuration>
+                     </execution>
+                 </executions>
+             </plugin>
+            <plugin>
                 <groupId>org.mortbay.jetty</groupId>
                 <artifactId>maven-jetty-plugin</artifactId>
                 <configuration>