Updated buildSpec and natures sections
diff --git a/assembly/features/org.eclipse.jpt_sdk.assembly.feature/.project b/assembly/features/org.eclipse.jpt_sdk.assembly.feature/.project
index 26baec6..e901372 100644
--- a/assembly/features/org.eclipse.jpt_sdk.assembly.feature/.project
+++ b/assembly/features/org.eclipse.jpt_sdk.assembly.feature/.project
@@ -5,7 +5,13 @@
 	<projects>
 	</projects>
 	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.pde.FeatureBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
+		<nature>org.eclipse.pde.FeatureNature</nature>
 	</natures>
 </projectDescription>