* grpc scenario

* update support-version.list

Add repo description control file

* Intercept feign RequestTemplate resolve args method ,get the url without parameters

* fix ci warnings

* optimize import

* fix: miss  path in feign target url like "http://localhost:8080/feign-scenario"
     fix feign-scenario test use pathVariable

* Add testcase to DefaultHttpClientInterceptorTest

* Clean ThreadLocal

* User one ThreadLocal replace two. User try/final  remove ThreadLocal .

* Code Optimize

* [test/plugin] add elasticsearch 7.x plugin test scenario.

* refresh index, make can search.

* remove unused package.

* update supported framework document.

* fix service name repeat.

* Refactor DataCarrier, support ArrayBlockingQueueBuffer as the implementation for blocking queue buffer.

* Fix style issue.

* Remove import.

* Remove uesless codes.

* Rabbitmq plugin e2e test migration

* 3753-code review fixes

* 3753-test-case-improvements

* Update pom.xml

Remove the repo addresses.

* Update Plugin-test.md

* immigrate test feign scenario.

* add license.

* update use test skeleton.

* delete repeat spring-boot starter dependence.

* add support-list version.

* make socketio-plugin testcase stable

* fix component-libraries.yml miss component:rest-high-level-client

* Update component-libraries.yml

Add mapping.

* feat: multiple metrics compare

* fix: add header

When using kryo, Byte-buddy occurs exception when match type.

> java.lang.IllegalStateException: Cannot resolve type description for com.esotericsoftware.reflectasm.PublicConstructorAccess

* Add elasticsearch 6.x plugin & elasticsearch 6.x test scenario

* [maven-release-plugin] prepare release v6.5.0

* [maven-release-plugin] prepare for next development iteration

* Add change log for 6.5.0

* move FILTER_LENGTH_LIMIT

* fix checkstyle

* jedis scenario

* update doc

* fix archetypes

* fix log4j

* provide archetypes for testcase

* merge undertow scenario

* update elapsed time

* add SupplierWrapper to support java 1.8+
Signed-off-by: Nshixiang <xiang.shi001@bkjk.com>

* add SupplierWrapper to support java 1.8+
Signed-off-by: Nshixiang <xiang.shi001@bkjk.com>

* Update SupplierWrapper.java

add new line

* add supplier

* add supplier test

* add test

* add test yaml

* Update Application-toolkit-trace-cross-thread.md

Add how to use SupplierWrapper in Java 1.8+

* add Jenkinsfile-Agent-Test-4

* Add SkyWalking plugin test framework doc

* Remove Chinese.

* Add a description to the env variable, CASE_SERVER_IMAGE_VERSION

* Fix typo

* Change paragraph structure.