Use vim-flavor 2.0 or later

kana · kana · commit dd8f29c0021c · 2014-03-12T20:35:47.000+09:00
diff --git a/Gemfile b/Gemfile
@@ -1,3 +1,3 @@
 source 'https://rubygems.org'
 
-gem 'vim-flavor', '~> 1.1'
+gem 'vim-flavor', '~> 2.0'
