Show active receive in the mini view

[neilenns]

Fixes #24

Highlights the station name on Tx:

And the callsign on Rx:

[pierr3]

Although your PR follows the design convention currently used, it might be more intuitive to highlight the callsign in green, to make a better difference between TX and RX in this limited UI, what do you think?

[neilenns]

Although your PR follows the design convention currently used, it might be more intuitive to highlight the callsign in green, to make a better difference between TX and RX in this limited UI, what do you think?

I was originally going to do that to show Rx and highlight the whole line, then I realized I could highlight the two parts separately and just didn't think to use green for Rx. Can easily make that change, good suggestion.

[pierr3]

Thanks