Merge pull request #84 from Aupajo/fix/git-email-in-force-push

Fix Git user.email change in force push strategy

lib/middleman-deploy/strategies/git/force_push.rb

@@ -20,7 +20,7 @@ module Middleman
               `git init`
               `git remote add origin #{url}`
               `git config user.name "#{self.user_name}"`
-              `git config user.name "#{self.user_email}"`
+              `git config user.email "#{self.user_email}"`
             else
               # check if the remote repo has changed
               unless url == `git config --get remote.origin.url`.chop