Squashed 'hyperscene/' changes from c13b77f..5cd0ca2

5cd0ca2 Merge commit '29f3254f0a3e667dab339300681e7494f58206af'
29f3254 Squashed 'hypermath/' changes from ea3c788..95a9f83
a3db106 Make hpsAmbientLight into hpsCurrentAmbientLight
61a4fb8 A number of small fixes in the README

git-subtree-dir: hyperscene
git-subtree-split: 5cd0ca21c12e57b723b52f660fc77a00b3ca26b4
Merge commit '9dbaf26e0a5e3f57dc7a5f97d97eb9b3f8aacdb0'
Update current-ambient-light to newest Hyperscene
Update examples for glls 0.8.0
Remove unsafe-render-camera* functions

They shouldn't have a particular performance benefit: they are only
called once a frame and the penalty is a minor GC
Remove non-existent ambient-light
Document
Increment minor version