hp-blob fixes for troll stairway, auto/manual mode, removed rakudo
hp-blob fixes for troll stairway, auto/manual mode, removed rakudo

added changes for hp-blob PR#241, 243-247, 251-253
removed rakudo-star dependency

Signed-off-by: Volker <261992c58b1b6d6d84d6c058330f9b9746329f0b@rademacher.de>

rdm-dev/meta-jens,rdm-dev/meta-jens,rdm-dev/meta-jens,rdm-dev/meta-jens