Add a new assembly xml file to oap-starter project, and add `oapService.sh/bat`
files to apm-dist project.

Remove `collectorService.sh/bat` scripts from apm-dist project.

Fix #1435

Make the icon font things more clear in NOTICE, include where they are in our source folder. Also move the text at the beginning of the distribution NOTICE file. (#1444)

* Fix #1441 add icon files notice

* Amend notice file, add excluding icon folder in rat config

* Remove all license files of Apache 2.0 libs. And add a missing one.

* Restore the Groovy and httpclientcomponent licenses, add a new section in License file for unstandard Apache 2.0 license.

* Add login filter

Username and password are stored in application.yml with
prefix "security.user"

* Modify startup script and add webapp.yml config file

* Update quick-start document for default login username/password

* Update deploy document for new webapp.yml config file

* Update license for new files.

* Add Zipkin receiver

* support shardingjdbc database storage feature

* Update UI licenses for beta version

fix #931 

Caffeine license,  Apache 2.0, no NOTICE file in repository which is https://github.com/ben-manes/caffeine. (#1046)

* Upload more dependencies.

* Add all UI licenses to license file.

* fix ui

Fix IPMC checks for releasing.

* Update docs for alpha release

* Delete a comma.

* Update How-to-build.md

* Add data-set licenses file

* Rename LICENSES-data-set to LICENSE-data-set

* Update LICENSE

* Remove fastclick from LICENSE

* Make the git submodule command to be a maven profile plugin. Let this command not execute by default install command.

* [maven-release-plugin] prepare release apm-5.0.0-alpha

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

* Product name is not correct

* Add more documents for release.

* Change profile id.

* Add CHANGES file in distribution file.

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

This reverts commit ac815019.

* Revert "[maven-release-plugin] prepare release apm-5.0.0-alpha"

This reverts commit 095597c9.

* Add rat plugin to check dependency license and add license head into missing files.

* Fix docs.

* Exclude web ui config file.

* Next release guide.

* UI update.

* Update docs.

* Build source shell.

* [maven-release-plugin] prepare release apm-5.0.0-alpha

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

* Add license file.

* Update license and notice files.

* Add licenses of dependencies.

* Add license.