WIP doxygen fix.

pom.xml

@@ -14,7 +14,7 @@
     <repositories>
       <!-- Spigot -->
         <repository>
-            <id>spigot-repo</id>
+            <id>spigotmc-repo</id>
             <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
         </repository>
         <repository>
@@ -162,6 +162,17 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>net.sf.doodleproject</artifactId>
+                <artifactId>doxygen-maven-plugin</artifactId>
+                <configuration>
+                    <alphabeticalIndex>true</alphabeticalIndex>
+                    <inputDirectory>${basedir}/src/main/java</inputDirectory>
+                    <filePatterns>*.java</filePatterns>
+                    <recursive>true</recursive>
+                    <outputDirectory>${project.reporting.outputDirectory}/doxygen</outputDirectory>
+                </configuration>
+            </plugin>
             <plugin>
                 <artifactId>maven-javadoc-plugin</artifactId>
                 <version>2.10.4</version>