libgnt/libgnt

c037bea489ec
Move to using a gi-docgen release rather than git

Testing Done:
purged the subprojects directory and successfully built withe docs.

Reviewed at https://reviews.imfreedom.org/r/2259/
#include <gnt.h>
int
main(void)
{
GntWidget *win, *button;
gnt_init();
gnt_util_parse_widgets("<vwindow id='0' fill='0' align='2'><label>This is a test.</label><button id='1'>OK</button></vwindow>", 2, &win, &button);
g_signal_connect_swapped(G_OBJECT(button), "activate", G_CALLBACK(gnt_widget_destroy), win);
gnt_widget_show(win);
gnt_main();
gnt_quit();
return 0;
}