need eclipse.ui.ide to make the programmatic action handlers work
diff --git a/org.apache.hdt.dfs.ui/META-INF/MANIFEST.MF b/org.apache.hdt.dfs.ui/META-INF/MANIFEST.MF
index beb3b81..f4b1368 100644
--- a/org.apache.hdt.dfs.ui/META-INF/MANIFEST.MF
+++ b/org.apache.hdt.dfs.ui/META-INF/MANIFEST.MF
@@ -12,7 +12,8 @@
  org.apache.hdt.dfs.core,
  org.eclipse.core.resources,
  org.eclipse.ui.navigator,
- org.apache.hdt.ui
+ org.apache.hdt.ui,
+ org.eclipse.ui.ide
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Bundle-ActivationPolicy: lazy
 Import-Package: org.eclipse.ui