adapt documentatiion directories

after #1837

Author: hboutemy

compat/pom.xml

@@ -45,4 +45,9 @@ under the License.
     <module>maven-toolchain-model</module>
     <module>maven-toolchain-builder</module>
   </modules>
+
+  <properties>
+    <project.directory>compat</project.directory>
+  </properties>
+
 </project>

impl/pom.xml

@@ -42,4 +42,8 @@ under the License.
     <module>maven-testing</module>
     <module>maven-executor</module>
   </modules>
+
+  <properties>
+    <project.directory>impl</project.directory>
+  </properties>
 </project>

src/graph/ReactorGraph.java

@@ -198,8 +198,8 @@ private static MutableGraph generateHighLevelGraph(MutableGraph clusteredGraph,
                         String prefix = null;
                         switch (clusterName) {
                             case "MavenAPI": prefix = "../api/"; break;
-                            case "MavenImplementation": prefix = "../maven-impl-modules/"; break;
-                            case "MavenCompatibility": prefix = "../maven-compat-modules/"; break;
+                            case "MavenImplementation": prefix = "../impl/"; break;
+                            case "MavenCompatibility": prefix = "../compat/"; break;
                             case "MavenResolver": prefix = "https://maven.apache.org/resolver/"; break;
                         }
                         if (prefix != null) {

src/site/site.xml

@@ -55,11 +55,11 @@ under the License.
     </menu>
 
     <menu inherit="bottom" name="Reference">
-      <item name="Lifecycles" href="./maven-core/lifecycles.html"/>
-      <item name="Plugin Bindings to Default Lifecycle" href="./maven-core/default-bindings.html"/>
-      <item name="Artifact Handlers" href="./maven-core/artifact-handlers.html"/>
-      <item name="CLI options" href="./maven-embedder/cli.html"/>
-      <item name="Super POM" href="./maven-model-builder/super-pom.html"/>
+      <item name="Lifecycles" href="./impl/maven-core/lifecycles.html"/>
+      <item name="Plugin Bindings to Default Lifecycle" href="./impl/maven-core/default-bindings.html"/>
+      <item name="Artifact Handlers" href="./impl/maven-core/artifact-handlers.html"/>
+      <item name="CLI options" href="./compat/maven-embedder/cli.html"/>
+      <item name="Super POM" href="./compat/maven-model-builder/super-pom.html"/>
     </menu>
 
     <menu inherit="bottom" name="Development">