Merge branch 'api_token_cast_5_4' of /home/git/repositories/gitlab/gitlabhq into 5-4-stable

VERSION

-5.4.1
+5.4.2

lib/api/helpers.rb

 module API
   module APIHelpers
     def current_user
-      @current_user ||= User.find_by_authentication_token(params[:private_token] || env["HTTP_PRIVATE_TOKEN"])
+      private_token = (params[:private_token] || env["HTTP_PRIVATE_TOKEN"]).to_s
+      @current_user ||= User.find_by_authentication_token(private_token)
     end
     def user_project

lib/tasks/gitlab/check.rake

@@ -657,7 +657,7 @@ namespace :gitlab do
   end
   def check_gitlab_shell
-    required_version = Gitlab::VersionInfo.new(1, 7, 4)
+    required_version = Gitlab::VersionInfo.new(1, 7, 8)
     current_version = Gitlab::VersionInfo.parse(gitlab_shell_version)
     print "GitLab Shell version >= #{required_version} ? ... "