v0.4.4

This release includes two minor fixes:

1. Introduction of enableMetricsMerger parameter in the plugins config, gatewayd_plugins.yaml, to enable/disable metrics merger.
2. Disable plugin-related schedulers when there's no plugin loaded or no addresses is configured for merging metrics.

What's Changed

• Enable metrics merger by @mostafa in #158
• Disable schedulers on zero config by @mostafa in #159

Full Changelog: v0.4.3...v0.4.4