forked from loafle/openapi-generator-original
* add abstractPhpCodegen * This base class should provide common functions to PHP-related generators so that the same enhancements or bug fixes can be applied to all clients. Most source be moved from the PhpClientCodegen. * change Lumen codegen to use the AbstractPhpCodegen * remove the composerVendorName/composerProjectName. modify the LumenServerOptionsTest for unit test * add context path * reserve the apiDocPath and modelDocPath * add the templateDir for lumen