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-data/hyracks-data-std/pom.xml b/hyracks-fullstack/hyracks/hyracks-data/hyracks-data-std/pom.xml
index ddd77c8..46a38bf 100644
--- a/hyracks-fullstack/hyracks/hyracks-data/hyracks-data-std/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-data/hyracks-data-std/pom.xml
@@ -19,35 +19,35 @@
 
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <artifactId>hyracks-data-std</artifactId>
-    <name>hyracks-data-std</name>
+  <modelVersion>4.0.0</modelVersion>
+  <artifactId>hyracks-data-std</artifactId>
+  <name>hyracks-data-std</name>
 
-    <parent>
-        <groupId>org.apache.hyracks</groupId>
-        <artifactId>hyracks-data</artifactId>
-        <version>0.2.18-SNAPSHOT</version>
-    </parent>
-    <properties>
-        <root.dir>${basedir}/../../..</root.dir>
-    </properties>
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.hyracks</groupId>
-            <artifactId>hyracks-util</artifactId>
-            <version>0.2.18-SNAPSHOT</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.hyracks</groupId>
-            <artifactId>hyracks-api</artifactId>
-            <version>0.2.18-SNAPSHOT</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.hyracks</groupId>
-            <artifactId>hyracks-util</artifactId>
-            <version>0.2.18-SNAPSHOT</version>
-            <type>test-jar</type>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
+  <parent>
+    <groupId>org.apache.hyracks</groupId>
+    <artifactId>hyracks-data</artifactId>
+    <version>0.2.18-SNAPSHOT</version>
+  </parent>
+  <properties>
+    <root.dir>${basedir}/../../..</root.dir>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-util</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-api</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hyracks</groupId>
+      <artifactId>hyracks-util</artifactId>
+      <version>0.2.18-SNAPSHOT</version>
+      <type>test-jar</type>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
 </project>