Merge remote-tracking branch 'gitlab/ft_checkpoint' into ft_checkpoint

# Conflicts:
#	mpi/src/mpi_failure_tolerance/starpu_mpi_checkpoint_template.c

mpi/src/mpi_failure_tolerance/starpu_mpi_checkpoint_template.c

@@ -32,6 +32,7 @@ starpu_pthread_mutex_t           cp_template_mutex;
 starpu_pthread_mutex_t           current_instance_mutex;
 starpu_mpi_checkpoint_template_t cp_template_array[MAX_CP_TEMPLATE_NUMBER];
 int                              cp_template_array_size = 0;
+int                              my_rank;
 int                              comm_size;
 int                              current_instance;