Update README.md
Merge pull request #1 from Hamneggs/addPHPBackend

Add php backend
Fixed normal mapping. Was accidentally feeding the output fragment negative values.
Merge branch 'master' of https://github.com/Hamneggs/CSH-3D-Map into addPHPBackend
Massive changes. Added normal-mapping and depth-mapping to the render pipeline, and now also am Gaussian blurring the wireframe (which now gets rendered into it's own buffer. Also got credentials working. Member info now includes RTP/Eboard status.