Merge pull request #9069 from luca-heltai/insert-global-particles

Insert particles globally.

diff --cc include/deal.II/particles/particle_handler.h
index d9627a3723e9fa7780dbb3d9b620bdd042981137,3adec721f76d1a7fcb7cfbed78e9d432247db0ee..1021fb5c99ca8691725ee904063bcd46191019d8
--- 1/include/deal.II/particles/particle_handler.h
--- 2/include/deal.II/particles/particle_handler.h
+++ b/include/deal.II/particles/particle_handler.h
@@@ -16,9 -16,8 +16,10 @@@
  #ifndef dealii_particles_particle_handler_h
  #define dealii_particles_particle_handler_h
  
 +#include <deal.II/base/config.h>
 +
  #include <deal.II/base/array_view.h>
+ #include <deal.II/base/bounding_box.h>
  #include <deal.II/base/mpi.h>
  #include <deal.II/base/smartpointer.h>
  #include <deal.II/base/subscriptor.h>