LAM-49 Changes in apache-flink role's tasks so that init scripts run properly.
LAM-49 Changes in apache-flink role's tasks so that init scripts run properly.

stevelaskaridis/okeanos-LoD,themiszamani/okeanos-LoD,grnet/okeanos-LoD,themiszamani/okeanos-LoD,grnet/okeanos-LoD,pkoro/okeanos-LoD,pkoro/okeanos-LoD,grnet/okeanos-LoD,themiszamani/okeanos-LoD,themiszamani/okeanos-LoD,grnet/okeanos-LoD,stevelaskaridis/okeanos-LoD,pkoro/okeanos-LoD,pkoro/okeanos-LoD,stevelaskaridis/okeanos-LoD,stevelaskaridis/okeanos-LoD