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/hyracks-fullstack/hyracks/hyracks-examples/pom.xml b/hyracks-fullstack/hyracks/hyracks-examples/pom.xml
index d69d01c..b60a2c1 100644
--- a/hyracks-fullstack/hyracks/hyracks-examples/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-examples/pom.xml
@@ -39,7 +39,7 @@
   </licenses>
 
   <properties>
-      <root.dir>${basedir}/../..</root.dir>
+    <root.dir>${basedir}/../..</root.dir>
   </properties>
 
   <modules>