New polling logic for Tor

Subtask of #116 (closed).

Milestone changed to Milestone B

Reassigned to @akwizgran

Added ~8 label

We can get HS_DESC UPLOADED events from the control port when our hidden service descriptor is uploaded, which happens each time the network is (re)enabled.

mentioned in merge request !103 (merged)

Added ~11 and removed ~8 labels

mentioned in issue #45

mentioned in commit 066285b8

Status changed to closed by commit 8c8b2a53

Removed ~11 label

Added ~10 label

mentioned in commit 8c8b2a53

mentioned in issue #259 (closed)

mentioned in issue #262 (closed)