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/commands.h

@@ -13,10 +13,12 @@
 
 #include <xcb/xcb.h>
 
+#if 0
 bool focus_window_in_container(xcb_connection_t *conn, Container *container,
                                direction_t direction);
+#endif
 
 /** Parses a command, see file CMDMODE for more information */
-void parse_command(xcb_connection_t *conn, const char *command);
+void parse_command(const char *command);
 
 #endif