Merge pull request #16 from alexeyr/patch-1

Add Conrod

README.md

@@ -159,6 +159,8 @@ Only projects that are stable and useful to users are added. Projects that do no
 * Termbox
   * [gchp/rustbox](https://github.com/gchp/rustbox) — a Rust implementation of [termbox](http://github.com/nsf/termbox) [<img src="https://travis-ci.org/gchp/rustbox.svg?branch=master">](https://travis-ci.org/gchp/rustbox)
 * wxWidgets
+* [PistonDevelopers/conrod](https://github.com/PistonDevelopers/conrod/) — An easy-to-use, immediate-mode, 2D GUI library written entirely in Rust [<img src="https://travis-ci.org/PistonDevelopers/conrod.svg?branch=master">](https://travis-ci.org/PistonDevelopers/conrod)
+
 
 ### Image processing