first step of the big refactoring ("tree" branch).

From here on, we can track changes. It made no sense to put the
development up to this point into git.

include/xcb.h

@@ -85,7 +85,7 @@ i3Font *load_font(xcb_connection_t *conn, const char *pattern);
  * validity.  This has to be done by the caller.
  *
  */
-uint32_t get_colorpixel(xcb_connection_t *conn, char *hex);
+uint32_t get_colorpixel(char *hex);
 
 /**
  * Convenience wrapper around xcb_create_window which takes care of depth,
@@ -127,12 +127,14 @@ void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable,
  */
 void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window);
 
+#if 0
 /**
  * Generates a configure_notify_event with absolute coordinates (relative to
  * the X root window, not to the client’s frame) for the given client.
  *
  */
 void fake_absolute_configure_notify(xcb_connection_t *conn, Client *client);
+#endif
 
 /**
  * Finds out which modifier mask is the one for numlock, as the user may