Restructure the code.

[David Hampton]

Log Message:
-----------
Restructure the code.  This moves the basic window/plugin
functionality from the src/gnome directory to the
src/gnome-utils directory.

Tags:
----
gnucash-gnome2-dev

Modified Files:
--------------
    gnucash:
        ChangeLog
        configure.in
    gnucash/src:
        gnc-ui.h
    gnucash/src/app-file:
        gnc-file.c
        gnc-file.h
        gncmod-app-file.c
    gnucash/src/gnome:
        Makefile.am
        top-level.c
    gnucash/src/gnome/ui:
        Makefile.am
    gnucash/src/gnome-utils:
        Makefile.am
    gnucash/src/report/stylesheets:
        Makefile.am

Added Files:
-----------
    gnucash/src/gnome:
        gnc-plugin-basic-commands.c
        gnc-plugin-basic-commands.h
    gnucash/src/gnome/ui:
        gnc-plugin-basic-commands-ui.xml
    gnucash/src/gnome-utils:
        gnc-embedded-window.c
        gnc-embedded-window.h
        gnc-main-window.c
        gnc-main-window.h
        gnc-plugin-manager.c
        gnc-plugin-manager.h
        gnc-plugin-menu-additions.c
        gnc-plugin-menu-additions.h
        gnc-plugin-page.c
        gnc-plugin-page.h
        gnc-plugin.c
        gnc-plugin.h
        gnc-window.c
        gnc-window.h
    gnucash/src/gnome-utils/ui:
        .cvsignore
        Makefile.am
        gnc-main-window-ui.xml

Removed Files:
-------------
    gnucash/src/gnome:
        gnc-embedded-window.c
        gnc-embedded-window.h
        gnc-main-window.c
        gnc-main-window.h
        gnc-plugin-manager.c
        gnc-plugin-manager.h
        gnc-plugin-menu-additions.c
        gnc-plugin-menu-additions.h
        gnc-plugin-page.c
        gnc-plugin-page.h
        gnc-plugin.c
        gnc-plugin.h
        gnc-window.c
        gnc-window.h
    gnucash/src/gnome/ui:
        gnc-main-window-ui.xml