Move files from the app-file and gnome directories to the gnome-utils

[David Hampton]

Log Message:
-----------
Move files from the app-file and gnome directories to the gnome-utils
directory.  This commit collapses ten files down to five.

Tags:
----
gnucash-gnome2-dev

Modified Files:
--------------
    gnucash/src/gnome:
        Makefile.am
    gnucash/src/gnome-utils:
        Makefile.am
        gw-gnome-utils-spec.scm

Added Files:
-----------
    gnucash/src/gnome-utils:
        gnc-file.c
        gnc-file.h
        gnc-plugin-file-history.c
        gnc-plugin-file-history.h
    gnucash/src/gnome-utils/schemas:
        Makefile.am
        apps_gnucash_history.schemas

Removed Files:
-------------
    gnucash/src/app-file:
        Makefile.am
        gnc-file-dialog.h
        gnc-file-history.c
        gnc-file-history.h
        gnc-file-p.h
        gnc-file.c
        gnc-file.h
        gw-app-file-spec.scm
    gnucash/src/app-file/gnome:
        Makefile.am
        gnc-file-dialog.c
    gnucash/src/app-file/schemas:
        Makefile.am
        apps_gnucash_history.schemas
    gnucash/src/gnome:
        gnc-plugin-file-history.c
        gnc-plugin-file-history.h