Extend LINT_BRACE_FORMATTING to support more scenarios

Summary: Extend the ArcanistXHPASTLinter::LINT_BRACE_FORMATTING rule to support a bunch of extra cases.

Test Plan: Added test cases.

Reviewers: epriestley, Blessed Reviewers

Reviewed By: epriestley, Blessed Reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D10572