tree e19c5d7e65cb8dc26033129c6102a0fd79ff6e6a
parent 3677ba90e8e39e3d0ea8fe12f363d6ae5e08116c
author Han-Wen Nienhuys <hanwen@google.com> 1468253758 +0200
committer Han-Wen Nienhuys <hanwen@google.com> 1468489918 +0200

Speed up population further.

* Make .slothfs/tree.json and .slothfs/manifest.xml available

* Use tree.json and manifest.xml to construct the repo tree using a
  few bulk-reads, rather than per-file system calls.

* Do all the JSON processing in parallel across repos.

* Put population code into separate package "populate"

* Add an e2e test against a multifs FUSE mount.

Timing (AOSP):
  Before: 15 secs
  After: 4.3 secs

Change-Id: I8964a39568ff9033258e4d64be47922f06897668