support manual jar export as input for maven deployment.
diff --git a/plugins/org.eclipse.objectteams.runtime/otre-export.jardesc b/plugins/org.eclipse.objectteams.runtime/otre-export.jardesc
new file mode 100644
index 0000000..0650e48
--- /dev/null
+++ b/plugins/org.eclipse.objectteams.runtime/otre-export.jardesc
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<jardesc>
+    <jar path="/home/stephan/workspaces/otre-export/org.eclipse.objectteams.runtime-head.jar"/>
+    <options buildIfNeeded="true" compress="true" descriptionLocation="/org.eclipse.objectteams.runtime/otre-export.jardesc" exportErrors="true" exportWarnings="true" includeDirectoryEntries="false" overwrite="false" saveDescription="true" storeRefactorings="false" useSourceFolders="false"/>
+    <storedRefactorings deprecationInfo="true" structuralOnly="false"/>
+    <selectedProjects/>
+    <manifest generateManifest="true" manifestLocation="" manifestVersion="1.0" reuseManifest="false" saveManifest="false" usesManifest="true">
+        <sealing sealJar="false">
+            <packagesToSeal/>
+            <packagesToUnSeal/>
+        </sealing>
+    </manifest>
+    <selectedElements exportClassFiles="false" exportJavaFiles="true" exportOutputFolder="true">
+        <file path="/org.eclipse.objectteams.runtime/about.html"/>
+        <javaElement handleIdentifier="=org.eclipse.objectteams.runtime/src&lt;org.objectteams"/>
+    </selectedElements>
+</jardesc>