Changes

Summary

1. Rewrite linux mapper to use epoll instead of threads and blocking IO (details)

Commit d785d341cb5bc3527d1ade5296f28ef13f18808b by Travis Burtrum Rewrite linux mapper to use epoll instead of threads and blocking IO
	src/error.rs
	src/linux/mod.rs
	Cargo.lock
	Cargo.toml
	src/keymapper.rs
	src/linux/device/input_device.rs