Call to close all files
subroutine close_all_files
!< Call to close all files
implicit none
call close_file( CONFIG_FILE_UNIT)
call close_file( GRID_FILE_UNIT)
call close_file( STATE_FILE_UNIT)
call close_file( IN_FILE_UNIT)
call close_file( OUT_FILE_UNIT)
call close_file( RESNORM_FILE_UNIT)
call close_file( TEMP_NODE_FILE_UNIT)
call close_file( LAYOUT_FILE_UNIT)
call close_file( NODESURF_FILE_UNIT)
call close_file( WALL_DIST_FILE_UNIT)
call close_file( RES_CONTROL_FILE_UNIT)
call close_file( INFO_FILE_UNIT)
call close_file( CONTROL_FILE_UNIT)
call close_file( SCHEME_FILE_UNIT)
call close_file( FLOW_FILE_UNIT)
call close_file( RESTART_FILE_UNIT)
call close_file( OUTIN_FILE_UNIT)
call close_file( STOP_FILE_UNIT)
call close_file( BOUNDARY_CONDITIONS_FILE_UNIT)
end subroutine close_all_files