scripts: move to scripts/ subdir, prepare for alpha.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

test-cli/scripts/generate-block.sh

@@ -0,0 +1,16 @@
+#! /bin/sh
+# Query bitcoind to get (first) unspent output to spend.
+
+set -e
+
+. `dirname $0`/vars.sh
+
+case $STYLE in
+    alpha)
+	# This is a one-shot in alpha, it seems.
+	$CLI setgenerate true
+	;;
+    bitcoin)
+	$CLI generate 1
+	;;
+esac