Adding php -l linter

Summary: Adds a linter that checks php files for syntax errors using php -l

Test Plan:
Add a section to your .arclint file similar to:
```
"php": {
  "type": "php",
  "include": "(\\.php$)"
}
```

Then run arc lint on a php file with a syntax error.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, jacobwalker0814, Korvin

Differential Revision: https://secure.phabricator.com/D10370
fix typo in exception handling

Test Plan: brake .arcrc, see reasonable error.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D10379
Update `puppet-lint` linter

Summary: Update the `puppet-lint` linter to support the latest version (v1.0.1). This version allows a custom configuration file to be passed via `--config`, which brings this linter into line with other linters.

Test Plan: Update test cases to pass.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D10384
phutil_utf8_shorten => PhutilUTF8StringTruncator

Summary: Ref T3307. Very easy

Test Plan: this very diff!

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T3307

Differential Revision: https://secure.phabricator.com/D10391
Merge branch 'master' of github.com:facebook/arcanist