Add cpu_no_label, gpu_no_label, and fps_no_label

[samuryan89]

You can currently change the labels for cpu/gpu/fps but not hide them. This change adds options (cpu_no_label, gpu_no_label, and fps_no_label) to hide the labels for a more minimal look. Intended mainly for horizontal layout, but can work in non-horizontal as well.

Before:

After:

Non-horizontal:

[flightlessmango]

Instead of adding options, treat an empty string with this behavior

[samuryan89]

Instead of adding options, treat an empty string with this behavior

I can give that a go. I was trying to match the "time_no_label" option.

Are you thinking like: cpu_text="" should make it blank?

Right now that gives the following:

[flightlessmango]

Yeah that's what I was thinking, it should not have a column like you had designed it