Extend Playout API Endpoint to include all playlist information

Extend /steering/api/v1/playout to include all playlist information currently provided by Tank.

See AEP05 and other related tickets.

changed milestone to %1.0-alpha2 — Precise Pheasant

added P2 label

assigned to @nnrcschmdt

marked this issue as related to aura#96 (closed)

marked this issue as related to tank#38 (closed)

marked this issue as related to dashboard#114 (closed)

marked this issue as related to engine#118

changed milestone to %1.1

Postponing, as we decided to provide an Steering API proxy to get playlist info (See API endpoint to provide playlist information (#136 - closed)).

mentioned in issue engine#118

removed the relation with aura#96 (closed)