add TODO for parallel processing

Author: StephanPreibisch

src/main/java/net/preibisch/mvrecon/fiji/plugin/Interest_Point_Registration.java

@@ -288,6 +288,7 @@ public < M extends AbstractModel<M> & Affine3D<M>> boolean processRegistration(
 		final List< ViewId > viewIds = setup.getViews();
 		final ArrayList< Subset< ViewId > > subsets = setup.getSubsets();
 
+		// TODO: do this in parallel
 		// load & transform all interest points
 		final Map< ViewId, HashMap< String, List< InterestPoint > > > interestpoints =
 				TransformationTools.getAllTransformedInterestPoints(