PIE: clear all button

Change-Id: I6333521999d846a417a0f8a3bba62a72aa876dbd
PIE: header with time and date (+///) for both panels

Change-Id: I400a88ff40b075bd1054ac123efca2b4a087fa73
PIE: /// is ready for prime time

Change-Id: Ib494c229fc65c99daadf598e3e29003950d55e72