Changes

Summary

1. make toml and serde optional, if not included, can hardcode config (details)

Commit 17a8f0c995c9aa9ef0780d0e10515fdaff7e785a by Travis Burtrum make toml and serde optional, if not included, can hardcode config
	src/keymapper.rs
	src/error.rs
	src/linux/mod.rs
	Cargo.toml