R1:f48f2dae9f39

Move Phabricator to use PhutilBinaryAnalyzer and show binary versions

Summary:
Fixes T12942.

- Adds binary version and path information to {nav Config > Version Information}.
- Replaces old code all over the place with new consolidated code.

Test Plan:
{F5073531}

Also faked some cases of missing binaries, bad versions, etc.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T12942

Differential Revision: https://secure.phabricator.com/D18306