* reimplemented basic requests with httpplug
* added returning headers
* added query params support
* removed constant reference to model class
* some extra @throws; form params
* form and query params encoding
* file upload / form multipart
* added missing response headers in WithHttpInfo calls
* removed Store test From PetApiTest class
* removed configuration overriding test as its now task of client adapters
* updated store tests with new client initialization code
* updated composer.json template
* not using json_decode if response is string
* renamed some variables to camelCase
* removed ApiClient and Configuration classes
* added HeaderSelector template
* added ObjectSerializer injection
* regenerated all samples
* added AuthConfig and readded support for custom api keys
* readded support for oauth tokens
* readded basic auth; moved auth tests to separate test class
* readded header params
* readded support for collections in paths
* readded config option; readded exception handling
* file downloading; readded some Configuration properties removed earlier
* readded default headers
* made responses and return types work same way as earlier
* made all methods static in ObjectSerializer
* updated test.php, replaced autoload.php with composer's autoloader
* updated api doc template
* removed classes used for testing; regenerated Fake_classname_tags123Api
* replaced httplug with guzzle6
* updated required php version to 5.5
* clean up
* readded missing userAgent feature; removed default headers from Configuration
* updated test.php
* downgraded phpunit back to 4.8 to work with php5.5; fixed client initialization in some tests
* Add async support to scala client.
* Format api endpoints.
* Modify build.sbt.
* Change date format and pass StoreApis tests.
* Add StringReader and StringWriter to support string serialization/deserialization.
* update petstore samples for scala clients
* Update maven and gradle dependency. Update tests to pass compilation.
* [Swift3] Fix bug where non-camel-case path params didn't work.
* [Swift3] Fix bug where int enums generated non-compiling code. Swift3 integration tests now pass.
* [Swift3] Add a non-camel-case path parameter to petstore-with-fake-endpoints-models-for-testing. This would have caused the Swift3 tests to be broken before 7387e49fef56a624045aa52b65ffb9c19b3853ec.
* Support Swagger collectionFormat encodings in Feign
Feign only natively supports the "multi" collectionFormat for encoding lists
of parameter values. This change adds manual encoding of the other formats, such
as "csv" (the default for collections), "tsv", space-separated, and pipes.
* Fix typo in anchor tag.
