Add scripts directory

Move build and user scripts into scripts directory.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/qemu-doc.texi b/qemu-doc.texi
index 45190f6..22a8663 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -2132,7 +2132,7 @@
 @example
 qemu-i386 tests/i386/ls
 @end example
-You can look at @file{qemu-binfmt-conf.sh} so that
+You can look at @file{scripts/qemu-binfmt-conf.sh} so that
 QEMU is automatically launched by the Linux kernel when you try to
 launch x86 executables. It requires the @code{binfmt_misc} module in the
 Linux kernel.