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/btreehelper/pom.xml b/hyracks-fullstack/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
index ae1d946..235d633 100644
--- a/hyracks-fullstack/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
@@ -28,46 +28,45 @@
     <version>0.2.18-SNAPSHOT</version>
   </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</groupId>
-  		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.18-SNAPSHOT</version>
-  		<scope>compile</scope>
-  	</dependency>
-  	<dependency>
-  		<groupId>org.apache.hyracks</groupId>
-  		<artifactId>hyracks-data-std</artifactId>
-  		<version>0.2.18-SNAPSHOT</version>
-  	</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</groupId>
+      <artifactId>hyracks-api</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-data-std</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+    </dependency>
   </dependencies>
 
   <build>
     <plugins>
       <plugin>
-      <groupId>org.apache.maven.plugins</groupId>
-      <artifactId>maven-deploy-plugin</artifactId>
-      <configuration>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-deploy-plugin</artifactId>
+        <configuration>
           <skip>true</skip>
-      </configuration>
-    </plugin>
+        </configuration>
+      </plugin>
     </plugins>
   </build>
 </project>