Merge pull request #249 from Devinsuit/master

Update broken links

README.md

@@ -110,7 +110,7 @@ See also [Friends of Rust](https://www.rust-lang.org/friends.html) (organization
 * **Graphics**
   * [ivanceras/svgbobrus](https://github.com/ivanceras/svgbobrus) — converts ASCII diagrams into SVG graphics [<img src="https://api.travis-ci.org/ivanceras/svgbobrus.svg">](https://travis-ci.org/ivanceras/svgbobrus)
   * [RazrFalcon/svgcleaner](https://github.com/RazrFalcon/svgcleaner) — tidies SVG graphics
-  * [Twinklebear/tray_rust](https://github.com/Twinklebear/tray_rusts) — a ray tracer [<img src="https://api.travis-ci.org/Twinklebear/tray_rust.svg">](https://travis-ci.org/Twinklebear/tray_rust)
+  * [Twinklebear/tray_rust](https://github.com/Twinklebear/tray_rust) — a ray tracer [<img src="https://api.travis-ci.org/Twinklebear/tray_rust.svg">](https://travis-ci.org/Twinklebear/tray_rust)
 * **Operating systems**, see also [A comparison of operating systems written in Rust](https://github.com/flosse/rust-os-comparison)
   * [redox-os/redox](https://github.com/redox-os/redox) — [<img   src="https://travis-ci.org/redox-os/redox.svg?branch=master">](https://travis-ci.org/redox-os/redox)
   * [thepowersgang/rust_os](https://github.com/thepowersgang/rust_os) — [<img src="https://travis-ci.org/thepowersgang/rust_os.svg?branch=master">](https://travis-ci.org/thepowersgang/rust_os)
@@ -597,7 +597,7 @@ See also [http://areweideyet.com/](http://areweideyet.com/) and [Rust and IDEs](
 
 ### Graphics
 
-[[graphics](https://crates.io.keywords/graphics)]
+[[graphics](https://crates.io/keywords/graphics)]
 
 * [gfx-rs/gfx](https://github.com/gfx-rs/gfx) — A high-performance, bindless graphics API for Rust. [<img src="https://img.shields.io/travis/gfx-rs/gfx/master.svg">](https://travis-ci.org/gfx-rs/gfx)
 * Font