Merge last vanguard-related tor patches

There are a few remaining vanguard-related tor patches that need to be merged to little-t-tor to improve correctness and performance of the vanguard 3rd-party script.

Let's get these merged.

changed milestone to %Tor: unspecified

added 034-included-20180328 034-roadmap-master 034-triage-20180328 035-removed-20180711 component::core tor/tor guard-discovery milestone::Tor: unspecified priority::medium reviewer::asn severity::normal status::new tor-guard type::defect labels

Trac:
Keywords: tor-guard guard-discovery deleted, tor-guard guard-discovery 034-roadmap-master added

Trac:
Keywords: tor-guard guard-discovery 034-roadmap-master deleted, 034-roadmap-master, tor-guard, guard-discovery, 034-triage-20180328 added

Trac:
Keywords: N/A deleted, 034-included-20180328 added

Trac:
Sponsor: N/A to SponsorV-can

IIUC we decided at today's meeting to move the rest of this to 0.3.5.

Trac:
Milestone: Tor: 0.3.4.x-final to Tor: 0.3.5.x-final

These tickets are being triaged out of 0.3.5. The ones marked "035-roadmap-proposed" may return.

Trac:
Keywords: N/A deleted, 035-removed-20180711 added
Milestone: Tor: 0.3.5.x-final to Tor: unspecified

Removing sponsor V as we do not have more time to include this tickets in the sponsor.

Removing sponsor from tickets that we do not have time to fit in the remain of this sponsorship.

Trac:
Sponsor: SponsorV-can to N/A

mentioned in issue #25581 (moved)

mentioned in issue #25883 (moved)

moved to tpo/core/tor#25546 (closed)