MaestroWF+RCT - Phase I - Study DAG transformation

[mtitov]

Explore Maestro's entities, and understand the outputs of its specific components

Ticket to keep track of the integration process
(+ notes: https://docs.google.com/document/d/1ZtzjgAFFXV75v7TMnd2BYSjCgRJDWQn6tRtTfBte_3Q/edit?usp=sharing)

[mtitov]

Assigned task is complete. Current work is to transform extracted workflow into a format, which is understandable for RADICAL tools: resource description and grouped task descriptions (every group of tasks will represent a corresponding EnTK stage)