* fix discrimintator name not following variable naming convention
* fix test
* update samples
* use discriminator name directly in php
* single quote array index
* Add Model.build_from_hash
* Use Model.build_from_hash instead of Model.new.build_from_hash
* Update sample for ruby-client
* Update sample for openapi3 ruby-client
* update samples
* remove string boolean map spec
* add logic to skip array alias being generated as model
* fix alias to array
* remove unused ruby files
* remove unused ruby (oas3) files
* unalias response schema
* fix NPE when no model defined
* fix ruby openapi3 script
* update samples
* add global openapi, schemas for unaliasing
* minor code cleanup/refactoring using globalSchemas
* Revert "minor code cleanup/refactoring using globalSchemas"
This reverts commit 20a2bbc6fc4267a0e0768dcf5f15d4194ce9647b.