[Erlang] Enhancements to Erlang server generator

[wing328]

Description

• [ ] Write specs for static exported fuctions
• [ ] Write specs for generated exported fuctions
• [ ] Add datetime/date validation
• [ ] Separate gigantic api to submodules and refactor the routing
• [ ] Add tests for the validators
• [ ] Add integrational test for the whole cycle
• [ ] Add validations of definitions with inheritance
• [ ] Add proper response validation (this list hack is so weird)
• [ ] Fix enum validation. It doesn't work correctly when the parans is in qs/header

  Swagger-codegen version

Latest master (Sep 2016)

If anyone wants to work on any of these tasks for erlang-server, please reply to let us know.

Ref: https://github.com/swagger-api/swagger-codegen/pull/3758

cc @galaxie

[hachreak]

Hi at all, if someone is interested, I made a erlang module to load the swagger file and build the cowboy routing configuration. :) https://github.com/hachreak/swagger_routerl