Problem:    Can't build without GUI.
Solution:   Adjust #ifdef for gui_find_menu().

Problem:    Can't use :popup for a menu in the terminal. (Wei Zhang)
Solution:   Make :popup work in the terminal.  Also fix that entries were
            included that don't work in the current state.

Problem:    Too many #ifdefs.
Solution:   Graduate the +autocmd feature. Takes away 450 #ifdefs and
            increases code size of tiny Vim by only 40 Kbyte.

Problem:    No right-click menu in a terminal.
Solution:   Implement the right click menu for the terminal.

Problem:    Clearing a pointer takes two lines.
Solution:   Add VIM_CLEAR() and replace vim_clear(). (Hirohito Higashi,
            closes #2629)

Problem:    balloon_show() only works in terminal when compiled with the GUI.
Solution:   Add FEAT_BEVAL_GUI and refactor to move common code out of the GUI
            specific file.

Problem:    Window toolbar menu gets a tear-off item.
Solution:   Recognize the window toolbar.

Problem:    Using window toolbar changes state.
Solution:   Always execute window toolbar actions in Normal mode.

Problem:    Cannot define a toolbar for a window.
Solution:   Add a window-local toolbar.

Problem:    There are still a few macros that should be all-caps.
Solution:   Make a few more macros all-caps.