message: fake simplex tree for toplex map
diff: #include <gudhi/Simplex_tree.h>
  #include <gudhi/Filtered_toplex_map.h>
  -#include <gudhi/Lazy_Toplex_map.h>
  #include <boost/graph/adjacency_list.hpp>
  #include <boost/graph/bron_kerbosch_all_cliques.hpp>
  namespace Gudhi {
  struct Visitor {
  - Lazy_Toplex_map* tm;
  + Toplex_map* tm;
  - Visitor(Lazy_Toplex_map* tm)
  + Visitor(Toplex_map* tm)
  :tm(tm)
  {}
  @@ -99,7 +98,7 @@ protected:
  template<class OneSkeletonGraph>
  void Fake_simplex_tree::insert_graph(const OneSkeletonGraph& skel_graph){
  - toplex_maps.emplace(nan(""), new Lazy_Toplex_map());
  + toplex_maps.emplace(nan(""), new Toplex_map());
  using vertex_iterator = typename boost::graph_traits<OneSkeletonGraph>::vertex_iterator;
  vertex_iterator vi, vi_end;
  for (std::tie(vi, vi_end) = boost::vertices(skel_graph); vi != vi_end; ++vi) {
  