Delete buffer directory when collector restart.

* Rename thermodynamic attributes.

* A missing attribute name.

* Add RunnableWrapper

* movement

* Fix Location

Segment end time: maximum end time in all span

#1149

* Update submodule skywalking-ui

* init test

* update

* agent-grpc-test

* part

* fix based on org.apache.skywalking.apm.agent.core.context.trace.AbstractTracingSpan.logs

* Fix Code Bug

* Add Test

* Fix Text

* add SegmentCounterTest

* Add EntityFrameworkCore provider components in component-libraries config

* Fix component-libraries.yml

* Update README.md

* Update README_ZH.md

* Fix Test

* Fix Test

* fix based on org.apache.skywalking.apm.agent.core.context.trace.AbstractTracingSpan.logs

* Fix Code Bug

* Fix Doc

* Add non-merge persistence worker for segment, segment_duration, global_trace persistence.

* omitted class.

* Disable _all field.

* no message

New document had moved into documents already.

* Protoc plugin fails when build

* spring aop patch #1114

* more strict check

fix #931 

* Allow use SkyWalking plugin to override service in Agent core.

* Fix CI.

* Remove duplicate plugin load.

* Add test cases for new plugin boot service machanism.

* Refactor tps to cpm

* Change the implementation for new graphql protocol.

* Add aggregate column named duration in GC metric table.

* getGCTrend query finished.

* Change between seconds to between minutes.

* Delete aggregate with second time bucket.

* Add missing tables which need to clean data when timeout.

* Fixed check style error.

* Provide graphQL for Thermodynamic in overview page.

* Finish the Thermodynamic.

* `nodes` should not be null.

* Add initialized java bean for graphql protocol.

* Add license head.

* Fixed bean definition fault.

* Add test case for official component-libraries.yml file

* Fix a missing id in component-libraries.yml

* Add .NET/.NET Core components in component-libraries config

* Use [3000, 4000) for C#/.NET.

* Fixed #1090

1. Move setting the performance from create table action to install action.
2. Add check step that avoid filed type not match the definition when project upgraded.

* Setting namespace by class construct.