Add support for default_headers to ruby client
Add support for default_headers to ruby client

movio/apidoc-generator,krschultz/apidoc-generator,mbryzek/apidoc-generator,gheine/apibuilder-generator,yoshisuga/apidoc-generator,Seanstoppable/apidoc-generator,movio/movio-apidoc-generator,gheine/apidoc-generator