Update build.xml

Author: ctjoreilly

build.xml

@@ -4,9 +4,7 @@
 <property file="${aima3e-java.basedir}/build.properties.local"/>
 <property file="${aima3e-java.basedir}/build.properties"/> 
 
-<import file="${path.to.aima-core.project}/build.xml"/>
-
 <target name="test">
-<ant dir="${path.to.aima-core.project}" target="aima-core.test-all" />
+<ant dir="${path.to.aima-core.project}/" target="aima-core.test-all" />
  </target>
 </project>