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/asterixdb/asterix-maven-plugins/pom.xml b/asterixdb/asterix-maven-plugins/pom.xml
index 0737ccb..d3b37fa 100644
--- a/asterixdb/asterix-maven-plugins/pom.xml
+++ b/asterixdb/asterix-maven-plugins/pom.xml
@@ -33,22 +33,21 @@
   </licenses>
 
   <properties>
-      <appendedResourcesDirectory>${basedir}/../src/main/appended-resources</appendedResourcesDirectory>
+    <appendedResourcesDirectory>${basedir}/../src/main/appended-resources</appendedResourcesDirectory>
   </properties>
 
-
-	<parent>
-		<artifactId>apache-asterixdb</artifactId>
-		<groupId>org.apache.asterix</groupId>
-		<version>0.8.9-SNAPSHOT</version>
-	</parent>
+  <parent>
+    <artifactId>apache-asterixdb</artifactId>
+    <groupId>org.apache.asterix</groupId>
+    <version>0.8.9-SNAPSHOT</version>
+  </parent>
 
   <dependencies>
     <dependency>
-        <groupId>org.apache.maven</groupId>
-        <artifactId>maven-plugin-api</artifactId>
-        <type>jar</type>
-        <scope>compile</scope>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-plugin-api</artifactId>
+      <type>jar</type>
+      <scope>compile</scope>
     </dependency>
   </dependencies>