Modernize ArcanistCppcheckLinter.

Summary: Ref T2039. Make the ArcanistCppcheckLinter compatible with .arclint.

Test Plan: Wrote and executed unit tests.

Reviewers: epriestley, Blessed Reviewers

Reviewed By: epriestley, Blessed Reviewers

Subscribers: epriestley, Korvin

Maniphest Tasks: T2039

Differential Revision: https://secure.phabricator.com/D9068