* configure.ac: Add check for C compiler and glib-compile-resources.
* examples/.gitignore: Ignore resources.c.
* examples/Makefile.am: Add make rules for the resource files.
* examples/book/drawingarea/image/myarea.cc: Use Gdk::Pixbuf::
create_from_resource() instead of create_from_file().
* examples/book/drawingarea/image/image.gresource.xml: New file.
* examples/book/menus_and_toolbars/examplewindow.cc: Use Gtk::Builder::
add_from_resource().
* examples/book/menus_and_toolbars/toolbar.glade:
* examples/book/menus_and_toolbars/toolbar.gresource.xml: New files.