TESTS: Remove home logo tests, they are written in the incorrect way and
don't test much of value.
ES6: Convert Discourse.Resolver to ES6
FIX: moment.js data formats were always english
FIX: Don't return protocol relative URLs for open graph images - we
can't be sure our site supports what protocol a remote site is
requesting.
FIX: use PostDestroyer when deleting/recovering a topic
TRIVIAL: remove debugging leftovers
FEATURE: raise an exception when the email is missing in the OpenId callback
FIX: Category topic list should support search filter too
fixing gutter bug on expanded link list
Merge pull request #2632 from awesomerobot/master

fixing gutter bug on expanded link list
FIX: Compatibility layer load order
FIX: When navigating to a topic via a link that's not found, the
formatting was broken.
TWEAK: Remove `TransitionAborted` exceptions from logging. They are
apparently normal when you abort a router transition and can be ignored.
Remove some `Ember.Deferred` usage. It's deprecated.
FIX: broken and uneeded code
remove broken spec
add ellipsis to flag buttons, better tooltips
PERF: add optional delta badge filtering

This is tricky and optional, some badges are very expensive to calculate

pass in :backfill , :post_ids and :user_ids to all badge queries so they
can do pre-filtering, if you do it after the sub-query it is too late
amend test
PERF: optimise and improve topic similarity search
FIX: shows up similarity search with blank results