(Fx_create_frame): Don't increment refernce_count

(Fx_create_frame): Don't increment refernce_count
until the frame is put on the frame list.

(Fx_close_connection): Call x_delete_display.

(x_display_info_for_name, Fx_open_connection):
Signal error if x_term_init fails.
(Fx_open_connection): New arg must_succeed.

(x_real_positions): Catch errors and retry if error happens.
No need to block input here.

(Fx_create_frame): Don't store the frame name
till after FRAME_X_DISPLAY_INFO is set up.
(Fx_close_connection): Renamed from Fx_close_current_connection

Many doc fixes and Lisp function arg renamings.

(x_bitmaps, x_bitmap_size, x_bitmap_last):
Variables deleted.  Use fields in x_display_info instead.
(x_bitmaps_free): Variable deleted.
(x_destroy_bitmap, x_allocate_bitmap_record): Don't use or set it.
(x_allocate_bitmap_record): New arg f.  Callers changed.
(x_lookup_pixmap): Function deleted.
(x_destroy_all_bitmaps): New function.
(Fx_close_current_connection): Call x_destroy_all_bitmaps.
Free the fonts in the font table.  Free various other data
that dpyinfo points to.  Avoid using Fdelq.

(x_set_name, Fx_create_frame): Use x_id_name field.

(Fx_close_current_connection):
Call delete_keyboard_wait_descriptor.

(Fx_close_current_connection): Call check_x_display_info.
Delete the display from x_display_list and x_display_name_list.
(Fx_display_list): New function.
(syms_of_xfns): defsubr it.

(Fx_list_fonts): Use `name_list_element' field.
(x_display_info_for_name): Scan x_display_name_list
along with x_display_list.