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/btree-example/btreeclient/pom.xml b/hyracks-fullstack/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
index d289ad1..408068a 100644
--- a/hyracks-fullstack/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
@@ -29,29 +29,29 @@
   </parent>
 
   <properties>
-      <root.dir>${basedir}/../../../..</root.dir>
+    <root.dir>${basedir}/../../../..</root.dir>
   </properties>
 
   <dependencies>
-  	<dependency>
-  		<groupId>org.apache.hyracks</groupId>
-  		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.18-SNAPSHOT</version>
-  		<scope>compile</scope>
-  	</dependency>
-  	<dependency>
-  		<groupId>org.apache.hyracks</groupId>
-  		<artifactId>hyracks-storage-am-btree</artifactId>
-  		<version>0.2.18-SNAPSHOT</version>
-  		<scope>compile</scope>
-  	</dependency>
-  	<dependency>
-  		<groupId>org.apache.hyracks.examples.btree</groupId>
-  		<artifactId>btreehelper</artifactId>
-  		<version>0.2.18-SNAPSHOT</version>
-  		<type>jar</type>
-  		<scope>compile</scope>
-  	</dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-dataflow-std</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-storage-am-btree</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks.examples.btree</groupId>
+      <artifactId>btreehelper</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+      <type>jar</type>
+      <scope>compile</scope>
+    </dependency>
   </dependencies>
   <build>
     <plugins>
@@ -82,7 +82,7 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-deploy-plugin</artifactId>
         <configuration>
-            <skip>true</skip>
+          <skip>true</skip>
         </configuration>
       </plugin>
     </plugins>