Revert "port to redmine 2.1.x"
Rename _settings.rhtml to _settings.html.erb

This is a part of update for Redmine 2.x
Add routes.rb

This is a part of update for Redmine 2.x
Merge pull request #1 from giner/revert-22-master

Clean up and update for Redmine 2.x
project_sidebar_bbb_hook.rb: add error message
en.yml: add error message
Merge pull request #27 from giner/master

Redmine 2.x update and clean up