message: Use crates.io in README
  Closes
diff: @@ -81,7 +81,7 @@ Add this to your `Cargo.toml`:
  ~~~toml
  [dependencies.glfw]
  -git = "https://github.com/bjz/glfw-rs.git"
  +version = "*"
  ~~~
  #### On Windows
  @@ -92,7 +92,7 @@ disable this:
  ~~~toml
  [dependencies.glfw]
  -git = "https://github.com/bjz/glfw-rs.git"
  +version = "*"
  default-features = false
  ~~~
  