Active JJDoc and let it create the Grammar BNF documentation

Clean-up the Site generation

pom.xml

@@ -168,6 +168,16 @@
                             <goal>jjtree-javacc</goal>
                         </goals>
                     </execution>
+
+                    <!-- execute JJTree explicitely in order to generate the *.jj file needed for JJDoc -->
+                    <execution>
+                        <id>jjtree</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>jjtree</goal>
+                        </goals>
+                    </execution>
+
                 </executions>
                 <dependencies>
                     <dependency>
@@ -332,8 +342,15 @@
                 <configuration>
                     <useStandardDocletOptions>true</useStandardDocletOptions>
                     <maxmemory>800m</maxmemory>
-                    <doclint>all, -missing</doclint>
-                    <excludePackageNames>net.sf.jsqlparser.parser</excludePackageNames>                          
+                    <doclint>none</doclint>
+
+                    <!-- Doclint does not work on the Test Sources
+                    <doclint>all,-missing</doclint>
+                    <excludePackageNames>net.sf.jsqlparser.parser</excludePackageNames>
+                    <sourceFileExcludes>
+                        <sourceFileExclude>src/test/**</sourceFileExclude>
+                    </sourceFileExcludes>
+                    -->
                 </configuration>
             </plugin>
             <plugin>
@@ -346,32 +363,93 @@
                 <artifactId>maven-jxr-plugin</artifactId>
                 <version>3.0.0</version>
             </plugin>
+
+            <!-- Cobertura is broken with Java 1.8 and there is not fix
+            please refer to https://github.com/cobertura/cobertura/issues/248
+            
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>cobertura-maven-plugin</artifactId>
                 <version>2.7</version>
                 <configuration>
                     <aggregate>true</aggregate>
-                    <outputDirectory>%{project.reporting.outputDirectory}/cobertura</outputDirectory>
+                    <outputDirectory>${project.reporting.outputDirectory}/cobertura</outputDirectory>
                 </configuration>
             </plugin>
+            -->
+
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>findbugs-maven-plugin</artifactId>
                 <version>3.0.5</version>
             </plugin>
-            <plugin>
-                <groupId>org.codehaus.mojo</groupId>
-                <artifactId>javacc-maven-plugin</artifactId>
-                <version>2.6</version>
-            </plugin>
+
+            <!-- Obsolete or Unused
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
                 <configuration>
                     <configLocation>config/sun_checks.xml</configLocation>
                 </configuration>
             </plugin>
+            -->
+
+            <!-- JJDoc report generating the BNF documentation -->
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>javacc-maven-plugin</artifactId>
+                <version>2.6</version>
+                <configuration>
+                    <!-- 
+                    /**
+                    * A flag to specify the output format for the generated documentation. If set to <code>true</code>, JJDoc will
+                    * generate a plain text description of the BNF. Some formatting is done via tab characters, but the intention is to
+                    * leave it as plain as possible. Specifying <code>false</code> causes JJDoc to generate a hyperlinked HTML document
+                    * unless the parameter {@link #bnf} has been set to <code>true</code>. Default value is <code>false</code>.
+                    * 
+                    * @parameter expression="${text}"
+                    */
+                    -->
+                    <text>false</text>
+
+                    <!--
+                    /**
+                    * A flag whether to generate a plain text document with the unformatted BNF. Note that setting this option to
+                    * <code>true</code> is only effective if the parameter {@link #text} is <code>false</code>. Default value is
+                    * <code>false</code>.
+                    * 
+                    * @parameter expression="${bnf}"
+                    * @since 2.6
+                    */
+                    -->
+                    <bnf>false</bnf>
+
+                    <!--
+                    /**
+                    * This option controls the structure of the generated HTML output. If set to <code>true</code>, a single HTML
+                    * table for the entire BNF is generated. Setting it to <code>false</code> will produce one table for every
+                    * production in the grammar.
+                    * 
+                    * @parameter expression="${oneTable}" default-value=true
+                    */
+                    -->
+                    <oneTable>false</oneTable>
+
+                    <!--
+                    /**
+                    * The hypertext reference to an optional CSS file for the generated HTML documents. If specified, this CSS file
+                    * will be included via a <code>&lt;link&gt;</code> element in the HTML documents. Otherwise, the default style will
+                    * be used.
+                    * 
+                    * @parameter expression="${cssHref}"
+                    * @since 2.5
+                    */            
+                    -->
+                    <!-- <cssHref></cssHref> -->
+
+                    <outputDirectory>${project.reporting.outputDirectory}</outputDirectory>
+                </configuration>
+            </plugin>
         </plugins>
     </reporting>