- Don't even think about using sscanf with %as anymore

- Allow keys to be inside the config files or in a seperate file
- Small fixes

m4/gnuscanf.m4

@@ -1,25 +0,0 @@
-dnl Check for a scanf that understands about %as as format specifier
-
-AC_DEFUN(tinc_SCANF_AS,
-[
-  AC_CACHE_CHECK([for a scanf that groks %as], tinc_cv_scanf_as,
-  [
-    AC_TRY_RUN([
-/* Very naive program which will probably give a segmentation
-   fault if the sscanf doesn't work as expected. */
-#include <stdio.h>
-int main() {
-  char*s = NULL;
-  sscanf("string\n", "%as\n", &s);
-  if(s == NULL)
-    return 1;
-  return strcmp("string", s);
-}
-    ], [tinc_cv_scanf_as="yes"], [tinc_cv_scanf_as="no"])
-  ])
-
-if test "$tinc_cv_scanf_as" = "yes" ; then
-  AC_DEFINE(HAVE_SCANF_AS)
-  AC_SUBST(HAVE_SCANF_AS)
-fi
-])