Refactor towards making subscriptions faster.
Merge branch 'master' into faster-subscriptions
improve mobile display
take two at improving the mobile display
Add writeup for streaming API bug.
fixed not showing twitter handle
Merge pull request #142 from zchrykng/fix-mobile

Improves mobile display
Merge branch 'master' into faster-subscriptions

Conflicts:
	update-blocks.js
Follow streams for shared block lists, and always update on unblock.
Merge branch 'master' into faster-subscriptions
Look up subscriptions only once on fanout, and bugfixes from testing.
Improve log messages.
Improve comments and add missing return statement.
Merge branch 'master' into better-actions

Conflicts:
	setup.js
	update-blocks.js
Add TODOs in subscriptions.js
Merge branch 'better-actions' of github.com:jsha/blocktogether into better-actions

Conflicts:
	setup.js
Fix small things found during review.
Improve trace logging.