Multi adaptive vertex fitter

Implements the multi adaptive vertex fitter and all related required tools.

Core/include/Acts/Vertexing/IterativeVertexFinder.ipp

@@ -406,17 +406,17 @@ template <typename bfield_t, typename input_track_t, typename propagator_t>
 void
 Acts::IterativeVertexFinder<bfield_t, input_track_t, propagator_t>::
     fillPerigeesToFit(
-        const std::vector<input_track_t>& myTracks,
+        const std::vector<input_track_t>& perigeeList,
         const Vertex<input_track_t>&      seedVertex,
         std::vector<input_track_t>&       perigeesToFitOut,
         std::vector<input_track_t>&       perigeesToFitSplitVertexOut) const
 {
-  int numberOfTracks = myTracks.size();
+  int numberOfTracks = perigeeList.size();
 
   // Count how many tracks are used for fit
   int count = 0;
   // Fill perigeesToFit vector with tracks compatible with seed
-  for (const auto& sTrack : myTracks) {
+  for (const auto& sTrack : perigeeList) {
     if (numberOfTracks <= 2) {
       perigeesToFitOut.push_back(sTrack);
       ++count;