[Calibration] Avrora

Description

Part of #12.

Increased nodecount on both default and large to increase workload.

Performance figures:

machines	default (sec)	large (sec)
Intel i7-6700k w. 16GB RAM (fisher.moma)	11.554	37.356
AMD FX-8320 w. 8GB RAM (lynx.moma)	25.899	95.976

size	heap usage (MB)
default	116
large	153