Update vulkano with the new repository.

The old link leads to a repo that only gives a new link. I also updated the travis-ci to point to the correct project.

README.md

@@ -698,7 +698,7 @@ See also [Are we game yet?](http://arewegameyet.com)
   * [kaj/rust-pdf](https://github.com/kaj/rust-pdf) — [<img src="https://api.travis-ci.org/kaj/rust-pdf.svg?branch=master">](https://travis-ci.org/kaj/rust-pdf)
   * [fschutt/printpdf](https://github.com/fschutt/printpdf) — PDF writing library [<img src="https://api.travis-ci.org/fschutt/printpdf.svg?branch=master">](https://travis-ci.org/fschutt/printpdf)
 * [Vulkan](https://www.khronos.org/vulkan/) [[vulkan](https://crates.io/keywords/vulkan)]
-  * [tomaka/vulkano](https://github.com/tomaka/vulkano) [[vulkano](https://crates.io/crates/vulkano)] — [<img src="https://api.travis-ci.org/tomaka/vulkano.svg?branch=master">](https://travis-ci.org/tomaka/vulkano)
+  * [vulkano](https://github.com/vulkano-rs/vulkano) [[vulkano](https://crates.io/crates/vulkano)] — [<img src="https://travis-ci.org/vulkano-rs/vulkano.svg?branch=master">](https://travis-ci.org/vulkano-rs/vulkano)
 
 
 ### Graph processing