Prepare for 2.0.0 (#121)

Author: Nyholm

README.md

@@ -28,7 +28,7 @@ Specify your dependencies:
 # Gemfile
 source 'https://rubygems.org'
 gem 'capistrano',  '~> 3.11'
-gem 'capistrano-symfony', '~> 2.0.0.pre.alfa2'
+gem 'capistrano-symfony', '~> 2.0.0'
 ```
 
 Install your dependencies: