Add recipes to gem specification files

Author: rejeep

evm.gemspec

@@ -5,7 +5,7 @@ Gem::Specification.new do |s|
   s.description = 'EVM is a command-line tool that allows you to install multiple Emacs versions.'
   s.authors     = ['Johan Andersson']
   s.email       = 'johan.rejeep@gmail.com'
-  s.files       = Dir.glob('{lib,spec}/**/*') + %w(README.md)
+  s.files       = Dir.glob('{lib,spec,recipes}/**/*') + %w(README.md)
   s.homepage    = 'http://github.com/rejeep/evm'
   s.license     = 'MIT'
   s.executables = ['evm']