- Minor rewrite of the winit integration using the `game-loop` crate for
fixed time-step updates.
- Updates are now handled at 240 fps, regardless of frame rate.
- Frame rate is capped at 240 fps.
- Adds a pause key.
- Closes#11
* Move all examples to individual crates
* CI: Add libsdl2
* Use Ubuntu bionic for updated libsdl; 2.0.8
* Clippy
* libudev-dev is a dependency of libsdl2-dev
* Clippy
* Remove unnecessary dev-dependency
* `winit` is actually used in unit tests
* Fix a typo
* Move `simple-invaders` crate
