Slight alterations to the Macro learn panel

[bratpeki]

The panel currently looks like this:

I'd suggest:

• Aligning the 1, 0 and -1 to the right
• Moving the "X" button a bit down, maybe in line with the bottom of the knob text
• Centering everything in the four macro learn automation editors, relative to the whole space of the editor

That would look like this: