Odroid XU4 simple case improved

This is based on CBiker's great design. I love the simplicity and especially the screw-free cover locking mechanism. The two main issues I had were 1. I don't need the expanded base and prefer a cleaner look; and 2. my XU4 is easily popped up inside the case when plugging in and pulling out cables.

In this remix I removed the expanded base (those who need it can download the original) and added four poles to the cover so when closed they perfectly push down on the PC board. I also adjusted th