* 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.
* add group parameter support to php template
* more update for group parameter
* fix call to protect function
* fix missing $
* update based on feedback
* create fake endpoint to test group parameters
* sync fake petstore spec v2, v3
* fix php doc for group parameters
* update petstore samples
* update fake petstore spec v2
* update petstore samples
* fix spec and update samples