Bump to 1.5.1.

Cargo.toml

 [package]
 name = "termion"
-version = "1.5.0"
+version = "1.5.1"
 authors = ["ticki <Ticki@users.noreply.github.com>", "gycos <alexandre.bury@gmail.com>", "IGI-111 <igi-111@protonmail.com>"]
 description = "A bindless library for manipulating terminals."
 repository = "https://github.com/ticki/termion"
@@ -12,7 +12,6 @@ exclude = ["target", "CHANGELOG.md", "image.png", "Cargo.lock"]
 [target.'cfg(not(target_os = "redox"))'.dependencies]
 libc = "0.2.8"
 
-
 [target.'cfg(target_os = "redox")'.dependencies]
 redox_syscall = "0.1"
 redox_termios = "0.1"