* Make scope meta configurable.
* Fix test cases in ci.
* Change step 1
* Refactor step 2
* Other compile issue done. Prepare the generator changes.
* Revert some wrong changes to Istio receiver.
* Step 3, make compile pass.
* Try to make CI passed.
* Add a check.
* Fix generated code style
* Provide new and extendable dispatcher generator tool
* Fix startup.
* Can't guarantee the dispatchers are always existing. Put explicit comments at there to avoid confusion, since this is different with old version.
* Fix a H2 query for endpoint search.
* Fix a wrong mysql alarm query.
* Provide new document and `generate-tool-grammer` module.
* Add missing last section of document.
* Fix typo
* Relocate the @ScopeDeclaration annotation, make it more sense. Also remove the useless @SourceType annotation. And adjust document for these changes
* ScopeDeclaration can be used once for each class only, now.
* Move oal tool back into main repo, and fix compile issue.
* Fix two bugs.
* Remove all generated codes.
* Make all oal generated codes out of source control.
* Make mvn compile and package work.
* Fix test cases.
* Make compile right and provide new documents.
* Remove an unnecessary tokens file.
吴晟 Wu Sheng