* Improve generated code in APIs so to use the most of Swift SDK
Improve generated code in APIHelper so to remove duplicated code and reuse existing checks
* run ./bin/swift3-petstore.sh
* Run ./bin/swift3-petstore-all.sh to update all the Petstore samples
* Restore old implementation and fix using .isEmpty in place of .count
* Run scripts to update pet store samples
* Reverte changes that use reduce
* Bug fixes on APIHelper template
* Fix build error in Xcode 9 beta 3, as .compact is no longer defined
* Add test schema for Swift 4 and associated script and config files
* Add test app for swift4Test.json schema
* Make integer, Integer, int, and Int32 types map to Swift Int type instead of Int32 type
* Add CodingKeys to model template, which allows us to serialize/deserialize variable names that are different than property names
* Make updates to Swift 4 test schema
* Fixes for unit test app for swift4Test.json Swift 4 test schema
* Major fix to the collection handling in Play Framework Generator
* Major fix to the collection handling in Play Framework Generator (small details missing from previous commit)
* Add the fix to header and form parameters too
* Fix to the default values. It did not take care of the "default" and also was setting to a bad default when not set.
* Just make a difference between string and non string instead of placing all types in the mustache file
* update pom to prepare 2.2.3 release
* add header support to qt5, update samples
* update version in java help
* update to xcode 9
* rollback to xcode8.2
Moving instantiationTypes, typeMappings, languageSpecificPrimitives, additionalProperties, and reservedWordsMappings out of configOptions and converting it into a list, rather than being a comma-separated string.
The [java8 doclint](http://openjdk.java.net/jeps/172) rejects unescaped
HTML chars such as `<`, making some generated clients unbuildable with
java8. Seems a few property descriptions were using the `{{{` instead
of `{{` preventing those HTML chars from being escaped properly.
