arvo 2019.9.3

This release contains Arvo changes that will be pushed to the live
network as an over-the-air update. This is not a breaching change, so
users should not create new piers.

Contributions:

Logan Allen <[email protected]> (5):
      Various chat fixes

Matilde Park <[email protected]> (3):
      Interface: Add "clean 'renamed' files" gulp task
      Publish: Bring post editing UI to new post parity
      Leave copy + root route copy

pkova <[email protected]> (2):
      chat: update sidebar timestamp every minute
      eyre: make auth cookie live for one week

Philip Monk <[email protected]> (1):
      zuse: make of-wain:format use linear space

Chat: Fix join channel's route render

(cherry picked from commit 7cb600d)

Update pills.

Update interface builds.

vere version bump (0.8.1 -> 0.8.2).

Merge pull request urbit#1420 from urbit/v0.8.1

update urbit version number and pills

Merge pull request urbit#1389 from urbit/philip/insert-event

add -I to inject event

Merge pull request urbit#1376 from urbit/chat-link

fix chat links

Merge pull request urbit#1365 from urbit/v0.8.0.rc

v0.8.0 Release

Add phony testnet target to Makefile.