Add tooly composer script (#692)

* Add tooly composer script

With the tooly composer-script aka hook you can manage needed PHAR files, such as phpunit, in your project composer.json. 
Every PHAR file will be saved in the composer binary directory. Optional with GPG verification.

* Fix url's to prevent redirection

Fix two url's to prevent redirection and fix Travis CI build.

* Change order

README.md

@@ -99,6 +99,7 @@ Please see [CONTRIBUTING](https://github.com/ziadoz/awesome-php/blob/master/CONT
 * [Patch Installer](https://github.com/goatherd/patch-installer) - A library to install patches using Composer.
 * [Prestissimo](https://github.com/hirak/prestissimo) - A composer plugin which enables parallel install process.
 * [Satis](https://github.com/composer/satis) - A static Composer repository generator.
+* [tooly](https://github.com/tommy-muehle/tooly-composer-script) - A library to manage PHAR files in project using Composer.
 * [Toran Proxy](https://toranproxy.com) - A static Composer repository and proxy.
 
 ## Frameworks