Refactor application pom for predictable build order, so replace windows icon...

Refactor application pom for predictable build order, so replace windows icon is done before building tar.gz and windows installer.

pom.xml

@@ -766,6 +766,7 @@
                     <groupId>org.codehaus.mojo</groupId>
                     <artifactId>nbm-maven-plugin</artifactId>
                     <version>${gephi.nbm-maven-plugin.version}</version>
+                    <extensions>true</extensions>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>