Bump js-precompiled to 20161018-161705 (#2698)

* Global fetch before specific sha fetch

* Update to js-precompiled 20161018-161705

js/scripts/update-precompiled.sh

@@ -11,6 +11,7 @@ if [ -z "$1" ]; then
   exit 1
 fi
 
+git fetch
 git fetch origin $1
 git merge $1 -X theirs