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-control/hyracks-control-nc/pom.xml b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/pom.xml
index e59262f..38ea86c 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/pom.xml
@@ -28,26 +28,26 @@
   </parent>
 
   <properties>
-      <root.dir>${basedir}/../../..</root.dir>
+    <root.dir>${basedir}/../../..</root.dir>
   </properties>
   <dependencies>
-  	<dependency>
-  		<groupId>org.apache.hyracks</groupId>
-  		<artifactId>hyracks-control-common</artifactId>
-  		<version>0.2.18-SNAPSHOT</version>
-  		<type>jar</type>
-  		<scope>compile</scope>
-  	</dependency>
-  	<dependency>
-  		<groupId>org.apache.hyracks</groupId>
-  		<artifactId>hyracks-net</artifactId>
-  		<version>0.2.18-SNAPSHOT</version>
-  	</dependency>
-  	<dependency>
-  		<groupId>org.apache.hyracks</groupId>
-  		<artifactId>hyracks-comm</artifactId>
-  		<version>0.2.18-SNAPSHOT</version>
-  	</dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-control-common</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+      <type>jar</type>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-net</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-comm</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+    </dependency>
   </dependencies>
   <reporting>
     <plugins>