update home page and whatsnew pages

Change-Id: Ieec95bd68729177d8a76a2957b35eb5e5dde898e
Signed-off-by: Ralph Soika <ralph.soika@imixs.com>
diff --git a/index.php b/index.php
index 7c36545..771aa15 100755
--- a/index.php
+++ b/index.php
@@ -91,6 +91,12 @@
 		but also to allow plug-in developers to easily customize the behavior and appearance of the editor for specific BPM workflow engines
 		that use this BPMN 2.0 extensibility mechanism.
 		</p>
+		<p>
+		Open Source Workflow Engines like <a href="https://www.jbpm.org/" target="_blank">jBPM</a> and <a href="https://www.imixs.org" target="_blank">Imixs-Workflow</a>
+		integrate Eclipse BPMN2 into there tooling platforms and extend the core features of BPMN2 with platform specific functionality. 
+		Learn more about this projects on the wiki page <a href="https://wiki.eclipse.org/BPMN2-Modeler/Open_Source_Workflow_Engines">Open Source Workflow Engines</a>. If you plan to implement you own BPMN2 extensions and 
+		learn more about the basics of Eclipse BPMN2 Runtime extensions, read 
+		the <a href="https://wiki.eclipse.org/BPMN2-Modeler/DeveloperTutorials/ExtendingRuntime">Wiki Developer Tutorial</a>.
 
 <h1>Architecture</h1>
 		<p>
@@ -124,7 +130,7 @@
 		Version 1.5.2 for Eclipse 2020-06 is now available
 		<a href="http://download.eclipse.org/bpmn2-modeler/updates/2020-06/1.5.2/">here</a>.
 		Find out what's new in the <a href="whatsnew/whatsnew-1.5.2.php">Relase Notes</a>.
-		See alsos all updates in <a href="whatsnew/whatsnew-1.5.2.php">New &amp; Noteworthy</a>
+		See alsos all updates in <a href="whatsnew/">New &amp; Noteworthy</a>
 		           
 		</p>
   </div>
diff --git a/whatsnew/index.php b/whatsnew/index.php
index b64e2b2..892a7d1 100644
--- a/whatsnew/index.php
+++ b/whatsnew/index.php
@@ -16,40 +16,43 @@
 <div id="midcolumn">
 	<h2>$pageTitle</h2>
 	<ul>
-		<li><a href="whatsnew-M1.php">M1 milestone (August 15, 2012)</a></li>
-		<li><a href="whatsnew-M2.php">M2 milestone (September 15, 2012)</a></li>
-		<li><a href="whatsnew-RC1-0.1.0.php">RC1 release candidate for version 0.1.0 (September 30, 2012)</a></li>
-		<li><a href="whatsnew-0.1.0.php">Version 0.1.0 stable release (October 15, 2012)</a></li>
-		<li><a href="whatsnew-0.2.0.php">Version 0.2.0 API Stabilization release (December 12, 2012)</a></li>
-		<li><a href="whatsnew-0.2.1.php">Version 0.2.1 Bug Fixes (January 12, 2013)</a></li>
-		<li><a href="whatsnew-0.2.2.php">Version 0.2.2 Bug Fixes (February 7, 2013)</a></li>
-		<li><a href="whatsnew-0.2.3.php">Version 0.2.3 (More) Bug Fixes and New Example(February 15, 2013)</a></li>
-		<li><a href="whatsnew-0.2.4.php">Version 0.2.4 (Even More) Bug Fixes and New Features (April 9, 2013)</a></li>
-		<li><a href="whatsnew-0.2.5.php">Version 0.2.5 (Still More) Bug Fixes and New Features (April 25, 2013)</a></li>
-		<li><a href="whatsnew-0.2.6.php">Version 0.2.6 Bug Fixes and New Features (June 7, 2013)</a></li>
-		<li><a href="whatsnew-0.2.7.php">Version 0.2.7 Bug Fixes and New Features (August 30, 2013)</a></li>
-		<li><a href="whatsnew-1.0M1.php">Version 1.0M1 Bug Fixes, New Features and pre-1.0 Milestone (October 15, 2013)</a></li>
-		<li><a href="whatsnew-1.0.php">Version 1.0 Project Graduation Release (November 6, 2013)</a></li>
-		<li><a href="whatsnew-1.0.1.php">Version 1.0.1 Service Release (December 30, 2013)</a></li>
-		<li><a href="whatsnew-1.0.2.php">Version 1.0.2 Service Release (March 6, 2014)</a></li>
-		<li><a href="whatsnew-1.0.3.php">Version 1.0.3 Service Release (October 10, 2014)</a></li>
-		<li><a href="whatsnew-1.0.4.php">Version 1.0.4 Service Release (February 10, 2015)</a></li>
-		<li><a href="whatsnew-1.1.0.php">Version 1.1.0 Major API Rework Release (June 25, 2014)</a></li>
-		<li><a href="whatsnew-1.1.1.php">Version 1.1.1 Service Release (October 10, 2014)</a></li>
-		<li><a href="whatsnew-1.1.2.php">Version 1.1.2 Service Release (February 10, 2015)</a></li>
-		<li><a href="whatsnew-1.1.3.php">Version 1.1.3 Service Release (May 15, 2015)</a></li>
-		<li><a href="whatsnew-1.1.4.php">Version 1.1.4 Service Release (December 4, 2015)</a></li>
-		<li><a href="whatsnew-1.1.5.php">Version 1.1.5 Service Release (February 26, 2015)</a></li>
-		<li><a href="whatsnew-1.1.6.php">Version 1.1.6 Service Release (March 30, 2015)</a></li>
-		<li><a href="whatsnew-1.2.0.php">Version 1.2.0 Core Refactoring Release (July 8, 2015)</a></li>
-		<li><a href="whatsnew-1.2.1.php">Version 1.2.1 Service Release (November 19, 2015)</a></li>
-		<li><a href="whatsnew-1.2.2.php">Version 1.2.2 Service Release (December 3, 2015)</a></li>
-		<li><a href="whatsnew-1.2.3.php">Version 1.2.3 Service Release (February 26, 2016)</a></li>
-		<li><a href="whatsnew-1.2.4.php">Version 1.2.4 Service Release (March 30, 2016)</a></li>
-		<li><a href="whatsnew-1.3.0.php">Version 1.3.0 Service Release (June 25, 2016)</a></li>
-		<li><a href="whatsnew-1.3.1.php">Version 1.3.1 Service Release (September 14, 2016)</a></li>
-		<li><a href="whatsnew-1.4.0.php">Version 1.4.0 Eclipse Oxygen Release (June 22, 2017)</a></li>
+
+		<li><a href="whatsnew-1.5.2.php">Version 1.5.2 Eclipse 2020-06 Release (June 2020)</a></li>
 		<li><a href="whatsnew-1.4.1.php">Version 1.4.1 Eclipse Oxygen Release (September 20, 2017)</a></li>
+		<li><a href="whatsnew-1.4.0.php">Version 1.4.0 Eclipse Oxygen Release (June 22, 2017)</a></li>
+		<li><a href="whatsnew-1.3.1.php">Version 1.3.1 Service Release (September 14, 2016)</a></li>
+		<li><a href="whatsnew-1.3.0.php">Version 1.3.0 Service Release (June 25, 2016)</a></li>
+		<li><a href="whatsnew-1.2.4.php">Version 1.2.4 Service Release (March 30, 2016)</a></li>
+		<li><a href="whatsnew-1.2.3.php">Version 1.2.3 Service Release (February 26, 2016)</a></li>
+		<li><a href="whatsnew-1.2.2.php">Version 1.2.2 Service Release (December 3, 2015)</a></li>
+		<li><a href="whatsnew-1.2.1.php">Version 1.2.1 Service Release (November 19, 2015)</a></li>
+		<li><a href="whatsnew-1.2.0.php">Version 1.2.0 Core Refactoring Release (July 8, 2015)</a></li>
+		<li><a href="whatsnew-1.1.6.php">Version 1.1.6 Service Release (March 30, 2015)</a></li>
+		<li><a href="whatsnew-1.1.5.php">Version 1.1.5 Service Release (February 26, 2015)</a></li>
+		<li><a href="whatsnew-1.1.4.php">Version 1.1.4 Service Release (December 4, 2015)</a></li>
+		<li><a href="whatsnew-1.1.3.php">Version 1.1.3 Service Release (May 15, 2015)</a></li>
+		<li><a href="whatsnew-1.1.2.php">Version 1.1.2 Service Release (February 10, 2015)</a></li>
+		<li><a href="whatsnew-1.1.1.php">Version 1.1.1 Service Release (October 10, 2014)</a></li>
+		<li><a href="whatsnew-1.1.0.php">Version 1.1.0 Major API Rework Release (June 25, 2014)</a></li>
+		<li><a href="whatsnew-1.0.4.php">Version 1.0.4 Service Release (February 10, 2015)</a></li>
+		<li><a href="whatsnew-1.0.3.php">Version 1.0.3 Service Release (October 10, 2014)</a></li>
+		<li><a href="whatsnew-1.0.2.php">Version 1.0.2 Service Release (March 6, 2014)</a></li>
+		<li><a href="whatsnew-1.0.1.php">Version 1.0.1 Service Release (December 30, 2013)</a></li>
+		<li><a href="whatsnew-1.0.php">Version 1.0 Project Graduation Release (November 6, 2013)</a></li>
+		<li><a href="whatsnew-1.0M1.php">Version 1.0M1 Bug Fixes, New Features and pre-1.0 Milestone (October 15, 2013)</a></li>
+		<li><a href="whatsnew-0.1.0.php">Version 0.1.0 stable release (October 15, 2012)</a></li>
+		<li><a href="whatsnew-0.2.7.php">Version 0.2.7 Bug Fixes and New Features (August 30, 2013)</a></li>
+		<li><a href="whatsnew-0.2.6.php">Version 0.2.6 Bug Fixes and New Features (June 7, 2013)</a></li>
+		<li><a href="whatsnew-0.2.5.php">Version 0.2.5 (Still More) Bug Fixes and New Features (April 25, 2013)</a></li>
+		<li><a href="whatsnew-0.2.4.php">Version 0.2.4 (Even More) Bug Fixes and New Features (April 9, 2013)</a></li>
+		<li><a href="whatsnew-0.2.3.php">Version 0.2.3 (More) Bug Fixes and New Example(February 15, 2013)</a></li>
+		<li><a href="whatsnew-0.2.2.php">Version 0.2.2 Bug Fixes (February 7, 2013)</a></li>
+		<li><a href="whatsnew-0.2.1.php">Version 0.2.1 Bug Fixes (January 12, 2013)</a></li>		
+		<li><a href="whatsnew-0.2.0.php">Version 0.2.0 API Stabilization release (December 12, 2012)</a></li>	
+		<li><a href="whatsnew-M2.php">M2 milestone (September 15, 2012)</a></li>
+		<li><a href="whatsnew-M1.php">M1 milestone (August 15, 2012)</a></li>
+		<li><a href="whatsnew-RC1-0.1.0.php">RC1 release candidate for version 0.1.0 (September 30, 2012)</a></li>
+						
 </ul>
 </div>
 EOHTML;