Add ability to search accounts by display name

"whole known network" which is what public timeline used to be

Only domain blocks with suspend severity will block PuSH subscriptions
Silenced accounts should not appear in conversations unless followed

StreamEntry model. Simply render Salmon slaps as they are needed

Allow PuSH to distribute private toots with that condition

status is not in the system at time of distribution; fix #607 - reset privacy
settings to defaults when cancelling replies

to only those from local users; Add link to "extended information" to
getting started in the UI; Add defaults for posting privacy; Change
how publish button looks depending on posting privacy chosen

Try to fix Travis CI setup

redis-backed "mentions" timeline as redundant (given notifications)

fix ProcessFeedService pushing status into distribution if called a second time
while the first is still running (i.e. when a PuSH comes after a Salmon slap),
fix not running escape on spoiler text before emojify

improved how "show more" link looks

Federate spoiler_text using warning attribute on <content /> instead of a <category term="spoiler" />
Clean up schema file from accidental development migrations

application website validation, don't link to app website if website isn't set,
also comment out animated boost icon from #464 until it's consistent with non-animated version

with YAML-defined defaults. Add admin page for editing global settings. Add "site_description"
setting that would show as a paragraph on the frontpage

Deduplicating some logic and switching to pluck, to avoid pulling the entire model in memory.

for local attachments, use them in URLs. Check status privacy
before redirecting to actual file.

resolving the confusion from self-chain replies ultimately linking to a
non-self status. Adjust filters