Squashed 'code/Ext/glfw/' content from commit 5c23071

git-subtree-dir: code/Ext/glfw
git-subtree-split: 5c23071a81ab9cfe3185ffc7028c7cc31e847320
Merge commit 'dfa4233b6d07c2fd4316f675e1c783afc778731e' as 'code/Ext/glfw'