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-yarn/hyracks-yarn-client/src/main/assembly/binary-assembly.xml b/hyracks-fullstack/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/assembly/binary-assembly.xml
index bc03322..04567a3 100644
--- a/hyracks-fullstack/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/assembly/binary-assembly.xml
+++ b/hyracks-fullstack/hyracks/hyracks-yarn/hyracks-yarn-client/src/main/assembly/binary-assembly.xml
@@ -35,7 +35,7 @@
       <outputDirectory>lib</outputDirectory>
     </fileSet>
   </fileSets>
-    <dependencySets>
+  <dependencySets>
     <dependencySet>
       <outputDirectory>hyracks-yarn-am</outputDirectory>
       <includes>