Merge pull request #1591 from seanpaultaylor/next

Added QtCreator projects for encoder and luagen
fix calculation of distance from plane to origin

fix calculation of distance from plane to origin
Merge pull request #1593 from sxop/next

fix calculation of distance from plane to origin
Support grayscale PNGs
Merge pull request #1594 from glassechidna/support-grayscale

Support grayscale PNGs
Update README.md
Update README.md
Update README.md
Fix for ASUS gamepad for Nexus Player
Merge branch 'next' of https://github.com/blackberry/GamePlay into next