Allow the 'Hiding' of Tiles, including the Pi System Tiles

[bestes]

@booysenc @jhovak This is now possible with our new Projects Centered dashboard.

New Cayenne Update! Release Notes 04/25/2016

Release Notes April 25, 2016 Agent version 1.0.0.19003 *Note that the agent version will remain the same for this release. New! Project Centric Dashboard Cayenne’s new Project Centered dashboard is officially out! You can now create custom dashboards and include only the sensors you want on the dashboard. [Introduction to Cayenne's New Project Centric Dashboard] What is the Cayenne team currently working on? We’re working on Arduino integration. You’ll be able to create a cu…

-B