Script to update the latest/ directory (#925)

update_latest.sh

@@ -0,0 +1,9 @@
+#/bins/sh
+set -e
+
+version="$1"
+
+ln -sf ../downloads/$version latest/directory
+for f in $(ls "downloads/$version/"); do \
+    ln -sf "../downloads/$version/$f" latest/$(echo $f | sed -e "s@-$version@@")
+done