* `DurationItem` and `ThroughputItem` have been removed. Service defines must be explicit and clear.
*  In server layer, AppServerInfo type represents the basic server info and related metrics
*  In service layer, ServiceInfo type represents the basic service info and related metrics
*  `getServiceSlowTrace` service has been provided by `queryBasicTraces` service. All trace query should be included in that.

[Agent-Plugin] Add support to MysqlDataSource

[Agent] Unsupport the async function of jetty client plugin

Prepare for ui-query GraphQL protocol

Move `apm-network` module under the new root module `apm-protocol`. And add `apm-ui-query` under the `apm-protocol` module.

[Agent] Support the  async function of okhttp plugin

Make sure the log config works.

Add new features for DataCarrier queue

Support to set consume cycle. And invoke the existed callbacks when the message blocked at first time.

Try to fix a url

Submit related projects in NOTICE.

Fix npe

Change network protocol for 5.0