Commits for weppos

All weppos commits (11)

Fix bad
Extract out common logic to prepare the callablesutils
Revert "Extract out common callables logic"utils
Extract out common callables logicutils
Chain#prepend adds a callback at the beginning of the chainutils
Rename Chain#add to Chain#appendutils
#halt now accepts an optional message argumentcontroller
Fix reference to `luca`mailer
Use HTTPS for the mailing list form (#481)