Create the cargo work directory inside target (instead of /tmp/cargo)

git-svn-id: https://svn.apache.org/repos/asf/incubator/sling/trunk@738481 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index b633379..b9b52e5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -450,6 +450,7 @@
                                 </systemProperties>
                             </container>
                             <configuration>
+                                <home>${project.build.directory}/cargo</home>
                                 <properties>
                                     <cargo.servlet.port>
                                         ${http.port}