ABIDES v1.1 release (abides-sim#2)

Example script and config to run multiple ABIDES simulations in parallel.

Improvements to execution agents.

New utilities to support more types of experiments.

New plotting utilities for market impact and other A/B experiments.

New plotting utilities for various features and logs from a single ABIDES run.

New plotting utilities for recent paper submissions.

Improvements to market maker agents (adaptive, etc).

New cubic network jitter model for message latency.

Release 1.0:

Added reference test configuration rmsc01.
Added new example agents.
Modified ZeroIntelligenceAgent strategy.

0.1.0