Summary: Ref T13395. Moves all remaining code in "libphutil/" into "arcanist/".
Test Plan: Ran various arc workflows, although this probably has some remaining rough edges.
Maniphest Tasks: T13395
Differential Revision: https://secure.phabricator.com/D20980
Summary: Minor tidying of documentation and adding some groups.
Test Plan: Eyeball it.
Reviewers: epriestley, #blessed_reviewers
Reviewed By: epriestley, #blessed_reviewers
Subscribers: Korvin, epriestley
Differential Revision: https://secure.phabricator.com/D13135
Summary: Ref T988. Not pretty or polished, but works fine.
Test Plan: Generated the docs, made sure they were all there.
Reviewers: chad, btrahan
Reviewed By: btrahan
CC: aran
Maniphest Tasks: T988
Differential Revision: https://secure.phabricator.com/D8413