HORNET-0.4.0-rc12

Added

- Prometheus exporter plugin
- fsync calls at CloseDatabases
- Dashboard:
  - Average metrics to confirmed milestones
  - Spam metrics
- Value spam to spammer plugin

Changed

- Comnet coordinator address
- Set latest known milestone at startup
- Abort ongoing PoW in spammer on shutdown

Fixed

- Coordinator plugin milestone interval
- Possible deadlock in pruning
- Spammer:
  - Shutdown lock
  - High cpu usage if no limits given
  - High cpu usage if not synced but cpu below cpuMaxUsage
- Pointer bug in coordinator and spammer
- Wrong snapshot info EntryPointIndex

Config file changes

Added options:

config.json and config_comnet.json

 "spammer": {
+   "bundleSize": 1,
+   "valueSpam": false
 }
+"prometheus": {
+   "bindAddress": "localhost:9311",
+   "goMetrics": false,
+   "processMetrics": false,
+   "promhttpMetrics": false
  }

Changed options:

config_comnet.json

 "coordinator": {
-  "address": "ZNCCPOTBCDZXCBQYBWUYYFO9PLRHNAROWOS9KGMYWNVIXWGYGUSJBZUTUQBNQRADHPUEONZZTYGVMSRZD",
+  "address": "BODHQPXSMDNHBWVZHVATBAHQGZSKWQLXYZNOXMKNUCOZCPTWHHNFBBHFOEGPTWGGUVDJPZAYZIMXIIGVD",
 }