ui: Expand frame.
photo-image: Change class name.
gqpe: Implement autoloader.
main: Change filename.
data: Use gqpe as app name.
all: Change everywhere to gqpe.
data: Update desktop file.
build-sys: Split ChangeLog command line.
po: Update in and skip file list.
po: Update translations.
po: Update translations.
data: Use GResource for the UI data.
gqpe: Use GLib.Application and Gtk.Application.
main: Trim the Main class to a very minimum, since we are using now
GLib.Application.
photograph: Use File instead of filenames, and revert to a square
image for the pictures.
build-sys: Use GResources.