Add JavaDoc creation again

Change-Id: Ia1ee25b4fb288d772666ecd916b9b48a3797692b
diff --git a/examples/org.eclipse.graphiti.doc/META-INF/MANIFEST.MF b/examples/org.eclipse.graphiti.doc/META-INF/MANIFEST.MF
index 7aa2f23..e0c55f3 100644
--- a/examples/org.eclipse.graphiti.doc/META-INF/MANIFEST.MF
+++ b/examples/org.eclipse.graphiti.doc/META-INF/MANIFEST.MF
@@ -5,7 +5,7 @@
 Bundle-Version: 0.18.0.qualifier
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
-Require-Bundle: org.eclipse.help;bundle-version="[3.6.0,4.0.0)",
+Require-Bundle: org.eclipse.help;bundle-version="[3.6.0,5.0.0)",
  org.eclipse.graphiti;bundle-version="0.18.0";resolution:=optional,
  org.eclipse.graphiti.export.batik;bundle-version="0.18.0";resolution:=optional,
  org.eclipse.graphiti.mm;bundle-version="0.18.0";resolution:=optional,
diff --git a/examples/org.eclipse.graphiti.doc/build.properties b/examples/org.eclipse.graphiti.doc/build.properties
index eca9be4..d5d685b 100644
--- a/examples/org.eclipse.graphiti.doc/build.properties
+++ b/examples/org.eclipse.graphiti.doc/build.properties
@@ -18,11 +18,15 @@
                toc.xml,\
                toc_graphiti.xml,\
                plugin.xml,\
-               toc_concepts.xml
+               toc_concepts.xml,\
+               javadoc/,\
+               api_docs.xml
 jars.compile.order = .
 src.includes = toc_graphiti.xml,\
                toc.xml,\
                resources/,\
                about.html,\
-               toc_concepts.xml
+               toc_concepts.xml,\
+               javadoc/,\
+               api_docs.xml
  
\ No newline at end of file
diff --git a/examples/org.eclipse.graphiti.doc/pom.xml b/examples/org.eclipse.graphiti.doc/pom.xml
index 83603bb..52c5068 100644
--- a/examples/org.eclipse.graphiti.doc/pom.xml
+++ b/examples/org.eclipse.graphiti.doc/pom.xml
@@ -23,13 +23,9 @@
 	<artifactId>org.eclipse.graphiti.doc</artifactId>

 	<packaging>eclipse-plugin</packaging>

 

-	<properties>

-		<platform.api>org.eclipse.platform.doc.isv/reference/api</platform.api>

-	</properties>

-

 	<build>

 		<plugins>

-<!-- 			<plugin>

+ 			<plugin>

 				<groupId>org.eclipse.tycho.extras</groupId>

 				<artifactId>tycho-document-bundle-plugin</artifactId>

 				<version>${tycho-extras-version}</version>

@@ -47,24 +43,26 @@
 								<mainLabel>Graphiti API</mainLabel>

 							</tocOptions>

 							<javadocOptions>

-								enable in case you need a proxy for web access

+								<!-- enable in case you need a proxy for web access

 								<jvmOptions>

 									<jvmOption>-Dhttp.proxySet=true</jvmOption>

 									<jvmOption>-Dhttp.proxyHost=proxy.example.com</jvmOption>

 									<jvmOption>-Dhttp.proxyPort=81</jvmOption>

 									<jvmOption>-DhttpnonProxyHosts=*.example.com</jvmOption>

 								</jvmOptions>

-								

+								 -->

 								<additionalArguments>

-									<additionalArgument>${javadoc-args}</additionalArgument>

 									<additionalArgument>

 										-link

-											https://docs.oracle.com/en/java/javase/11/docs/api/

+											https://docs.oracle.com/javase/8/docs/api/

+									</additionalArgument>

+									<additionalArgument>

+										-link

+											https://help.eclipse.org/2021-03/index.jsp?topic=/org.eclipse.platform.doc.isv/reference/api/

 									</additionalArgument>

 									<additionalArgument>

 										-linkoffline 

-											../../${platform.api}

-											https://help.eclipse.org/2020-12/index.jsp?topic=/org.eclipse.platform.doc.isv/reference/api/

+											../../org.eclipse.platform.doc.isv/reference/api/

 									</additionalArgument>

 									<additionalArgument>-public</additionalArgument>

 								</additionalArguments>

@@ -73,7 +71,7 @@
 					</execution>

 				</executions>

 			</plugin>

- -->		</plugins>

+ 		</plugins>

 		

 		<pluginManagement>

 			<plugins>