shell: Cleanup some of the ugly inline styles and other CSS on dashboard
shell: Dashboard servers not links while editable

The various dashboard servers are not links while in edit mode
shell: Cleanup rats nest of callbacks for dashboard hosts

We should be separating logic from presentation at least a bit.
Use data- attributes and delegated callbacks to accomplish this
shell: We never 'leave' the dashboard page, just hide it

Most of the legacy PageXxxx stuff is deprecated anyway, but going
forward we know one thing, we never really .leave() the dashboard
it is always being updated and a constant part of the shell.

Closes #1565
base: Distribute mustache and bring it into base package

This is a simple templating library that fits quite well with jQuery
and our method of operation. We don't currently do incremental DOM
updates, but that will come in a later iteration.
shell: Use Mustache to render the Servers on the dashboard