Changes to original checklist

[tomasforsman]

The original site has released an updated version of the checklist: https://www.sensedeep.com/blog/posts/stories/web-developer-security-checklist.html The new checklist has been reorganized and had new items added. For comparison, here is the old checklist: https://www.sensedeep.com/blog/posts/stories/web-developer-security-checklist-v1.html