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/src/main/appended-resources/supplemental-models.xml b/hyracks-fullstack/src/main/appended-resources/supplemental-models.xml
index 1ebd3f2..0d69dc6 100644
--- a/hyracks-fullstack/src/main/appended-resources/supplemental-models.xml
+++ b/hyracks-fullstack/src/main/appended-resources/supplemental-models.xml
@@ -597,8 +597,8 @@
       <name>Jetty Server</name>
       <url>http://jetty.mortbay.org/</url>
       <organization>
-	    <name>Mort Bay Consulting</name>
-	    <url>http://www.mortbay.com</url>
+        <name>Mort Bay Consulting</name>
+        <url>http://www.mortbay.com</url>
       </organization>
       <licenses>
         <license>
@@ -615,8 +615,8 @@
       <name>Jetty Utilities</name>
       <url>http://jetty.mortbay.org/</url>
       <organization>
-	    <name>Mort Bay Consulting</name>
-	    <url>http://www.mortbay.com</url>
+        <name>Mort Bay Consulting</name>
+        <url>http://www.mortbay.com</url>
       </organization>
       <licenses>
         <license>