[codlcd] LED blinking according to state.
[codlcd] LED blinking according to state.

The test controllers now use VT100 escape sequences
to render better in the terminal.

petli/codplayer-control-node,petli/codplayer,petli/codplayer,petli/codplayer,petli/codplayer,petli/codplayer-control-node,petli/codplayer