Add a clear pin link in the list topics view
Merge pull request #806 from ZogStriP/clear-pin-link-in-list-topics-view

Add a clear pin link in the list topics view
added setting to flush redis if you feel like doing so in dev
Merge remote-tracking branch 'upstream/master'

Signed-off-by: David Celis <me@davidcel.is>

Conflicts:
	config/initializers/01-redis.rb