use bitmap for booleans and other config that has known size

Bitmaps are more c style than bool coming from c++ land.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

src/other.c

@@ -43,7 +43,6 @@
 #include <errno.h>
 #include <limits.h>
 #include <netinet/in.h>
-#include <stdbool.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>