[MSHARED-1327] Change output directory default

The output directory now defaults to ${project.build.directory} instead
of ${project.reporting.outputDirectory}.

Author: kriegaex

src/main/java/org/apache/maven/reporting/AbstractMavenReport.java

@@ -78,7 +78,7 @@ public abstract class AbstractMavenReport extends AbstractMojo implements MavenM
      * the command line. If the goal is run indirectly as part of a site generation, the output directory configured in
      * the Maven Site Plugin is used instead.
      */
-    @Parameter(defaultValue = "${project.reporting.outputDirectory}", readonly = true, required = true)
+    @Parameter(defaultValue = "${project.build.directory}", readonly = true, required = true)
     protected File outputDirectory;
 
     /**