This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.
Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
Collapse user actions in UI so it stops looking crazy
Removed dud dupe user action TOPIC_RESPONSE
Always show the owner of a post on the user page, actions by others at the bottom
David Taylor
Sam Saffron
Guo Xiang Tan
Gosha Arinich