Merge pull request #176 from dariomanesku/master

Minor changes.
Merge pull request #177 from dariomanesku/master

Fixing inputGetChar().
Fixed OSX tools build.
Fixed unused parameter warning.
OVR: Added rendering without distortion.
Cleanup.
Updated .editorconfig.
Merge branch 'master' of github.com:bkaradzic/bgfx
Fixing imgui mouse scroll.