* Fix adding quotes and dashes in codeblocks
* Use find_by for all remove_from_feed methods (#558)
* Destroy memberships when chat channel is destroyed
* Fix sidebar issue for XL displays
* Remove grouping param for follows
* Add aggregated follow notification MVP
* Lint reaction model a bit
* Fix a few small css issues
* Remove puts statement and indent HTML
* Use activity id instead of time for cache key