Early Cargo config file added
Updated authors field

Everyone that has committed to the Piston repo is listed as an author
in the format "github_name <github_email>".
Merge pull request #416 from TyOverby/master

Early Cargo config file added.  Closes #413
Merge pull request #417 from Coeuvre/master

Fixed docs in 'game.rs'
Updated examples to latest Rust-Graphics
Merge pull request #419 from bvssvni/master

Updated examples to latest Rust-Graphics
Fix glfw build
Upgraded to latest Rust-Empty
Merge pull request #421 from gmorenz/fix_glfw_build

Fix glfw build
Merge pull request #422 from bvssvni/master

Upgraded to latest Rust-Empty
Removed SDL2 and GLFW back-ends

Those are moved to

https://github.com/PistonDevelopers/glfw_game_window

https://github.com/PistonDevelopers/sdl2_game_window
Merge pull request #423 from bvssvni/master

Removed SDL2 and GLFW back-ends
Updated examples
Merge pull request #424 from bvssvni/master

Updated examples
Updated example in slides

Closes https://github.com/PistonDevelopers/piston/issues/425

Also added a pdf version
Merge pull request #427 from bvssvni/master

Updated example in slides
Reword "Dependencies" table header

Because we actually don't depend on any of the "dependencies" listed, the table should be reworded.
Upgraded to latest Rust-Empty, fixed comment
Merge pull request #428 from bvssvni/master

Upgraded to latest Rust-Empty, fixed comment
Upgraded example to latest hgl-rs