Set the UBER-JAR as the default executable.

This software is standalone and uses a lot of dependencies to accomplish its goals. So, if another software uses this as a "library", it will be complex and unnecessary to try and deal with all those dependencies, some of which are needed only in specific cases during runtime.

pom.xml

@@ -32,7 +32,8 @@
               <goal>shade</goal>
             </goals>
             <configuration>
-              <finalName>publications_retriever-uber_jar-${version}</finalName>
+              <!-- Un-comment the following, in case we want the "UBER-JAR" to NOT have the default-name. -->
+              <!-- <finalName>publications_retriever-uber_jar-${version}</finalName> -->
               <transformers>
                 <!-- add Main-Class to manifest file -->
                 <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">