bundle update
fix reputation job
update to rails 4.0.4
move VoteCreator into app/services
Configure Sidekiq to use redis configuration options
update outdated gems
Merge branch 'master' into timeline-rebase

Conflicts:
	Gemfile.lock
Extract question and answer creation into service objects.

This removes the AR callback inside of QA::Timeline. The service objects are
responsible for the whole flow of object creation.
timeline examples are now wrong as the callback flow has been removed

delete this file for now
Move QA::Timeline into app/models/concerns - out of lib/