Add bigtext option to PHUIActionPanelView

Summary: Adds option for setting large text instead of icons. Adds success state.

Test Plan:
Built some more examples.

{F286388}

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11710