Merge pull request #328 from coopdevs/fix/deploy-staging

Fix deploy staging

Author: enricostano

Capfile

@@ -18,7 +18,7 @@ require 'capistrano/deploy'
 require 'capistrano/rails'
 
 stage = ARGV.first
-if stage == :staging # Sorry, production is not ready yet
+if stage == 'staging' # Sorry, production is not ready yet
   require 'capistrano/rbenv'
 end