* tui.h: Remove old declarations, add the new ones.

    * tui.h: Remove old declarations, add the new ones.
        * tui.c (tui_switch_mode): New function.
        (tui_initialize_readline): New function.
        (tui_enable): New function.
        (tui_disable): New function.
        (tuiGetLowDisassemblyAddress): Use CORE_ADDR, cleanup.
        (tui_vSelectSourceSymtab): Remove.
        (tuiInitWindows): Remove.
        (_initialize_tui): Remove.
        (_tuiReset): Keep but put arround #if 0.