Normalize XML Whitespace

Normalize whitespace in project XML files (e.g. pom.xml), to two-spaces
per indentation level.
Cleanup rewriter error messages for user-defined functions

Change-Id: Ic06e3ff4431508d878e0cc614fbf957887a3c682
Reviewed-on: https://asterix-gerrit.ics.uci.edu/836
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: abdullah alamoudi <bamousaa@gmail.com>
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/only_sqlpp.xml b/asterixdb/asterix-app/src/test/resources/runtimets/only_sqlpp.xml
index b3542eb..876a10b 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/only_sqlpp.xml
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/only_sqlpp.xml
@@ -18,6 +18,6 @@
  ! under the License.
  !-->
 <test-suite xmlns="urn:xml.testframework.asterix.apache.org" ResultOffsetPath="results" QueryOffsetPath="queries_sqlpp">
-    <test-group name="failed">
-    </test-group>
+  <test-group name="failed">
+  </test-group>
 </test-suite>