LightResult: consider removing "Option"

Currently LightResult is defined as Hash<portname, Option>. Can we drop the Option? Does it make sense to assume that there is some "empty LightData"? This would make testing in all nodes a bit easier...

added discussion enhancement labels

changed milestone to %v0.5

created branch 145-lightresult-consider-removing-option to address this issue

assigned to @u.eisenbarth

mentioned in commit c948d627

mentioned in merge request !147 (merged)

closed with merge request !147 (merged)