add debugging info by default so we get linenumbers in stacktraces

git-svn-id: https://svn.apache.org/repos/asf/incubator/solr/trunk@387984 13f79535-47bb-0310-9956-ffa450edef68

build.xml

@@ -68,6 +68,7 @@
     <javac destdir="${dest}"
            target="1.5"
 	   source="1.5"
+	   debug="on"
            classpathref="compile.classpath">
       <src path="${src}/java" />
       <src path="${src}/webapp" />
@@ -121,6 +122,7 @@
        destdir="${dest}/tests"
        target="1.5"
        source="1.5"
+       debug="on"
        classpathref="test.compile.classpath">
       <src path="${src}/test" />
       <src path="${src}/apps/SolrTest/src" />