R1:652670e9bc22

Updated toggle buttons.

Summary: Re-adding the toggle buttons back, new styles.

Test Plan: Visit the Maniphest page and see new buttons, click on and verify buttons work as expected.

Reviewers: vrana, epriestley

Reviewed By: epriestley

CC: aran, Korvin, edward

Differential Revision: https://secure.phabricator.com/D3942