RemoteTech2 has been updated.
Move UI logic into Kosmos::UserInterface.

This is the first step toward the addition of a web interface.
Begin adding a Sinatra web interface.
Add an HTML5-based template for the web interface.
Start making a UI for the web interface.
Serve index.html from root.
Add a pseudo-CLI to the the web interface.
Add a workable basis for the web UI.
Add option for arbitrary output methods.

Defaults to simply `puts "str"`, but can be modified to output values to be sent
to a stream.
Add a minimal live-updating web interface to Kosmos.

Uses Sinatra streams to dynamically add the results of a Kosmos command to the
page.