Introduce symbol "elpa_get_communicators" as mentioend in documentation

src/elpa1.F90

@@ -92,6 +92,7 @@ module ELPA1
 
   public :: get_elpa_row_col_comms     !< old, deprecated interface: Sets MPI row/col communicators
   public :: get_elpa_communicators     !< Sets MPI row/col communicators
+  public :: elpa_get_communicators     !< Sets MPI row/col communicators
 
   public :: solve_evp_real             !< old, deprecated interface: Driver routine for real eigenvalue problem
   public :: solve_evp_real_1stage      !< Driver routine for real eigenvalue problem
@@ -147,6 +148,10 @@ module ELPA1
     module procedure get_elpa_communicators
   end interface
 
+  interface elpa_get_communicators
+    module procedure get_elpa_communicators
+  end interface
+
 !> \brief solve_evp_real: old, deprecated Fortran function to solve the real eigenvalue problem with 1-stage solver. Better use "solve_evp_real_1stage"
 !>
 !> \details