Doc: update screenshots of output panes

Change-Id: Ie4eeed456b7eeb28d14e8dc2ad5dba64a2c37e6f
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
Doc: turn the number icons green to match text color

The blue icons did not match the new UI style and
font color in docs.

Change-Id: I7d4cdf71944ab37bd6b01a6a66c7b23b8f816a09
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>