Alpha 2 release for ServiceModelSwiftCodeGenerate 2

Support for SmokeFramework 2 application generation.

Alpha 1 release for ServiceModelSwiftCodeGenerate 2

Generation for SwiftHTTP and SwiftAWS 2.

Add model override options

1. Add model override options to ignore operations and response headers.
2. Add model override option to specify the default value of an enumeration.
3. Add Swift 5.0 and 5.1 CI Tests
4. Fix compile issues on linux.

Support Swagger syntax for String-keyed maps

Support Swagger syntax for String-keyed maps.

Use variable name rather than type as a converting parameter

Use variable name rather than type as a parameter when converting to allow multiple parameters of the same type in a structure.

Detect errors that will normalize to the same name

Detect errors that will normalize to the same name.

Note: This is a breaking change as it changes the contract of the ModelErrorsDelegate protocol.

Create a stronger ModelErrorsDelegate protocol contract.

Create a stronger ModelErrorsDelegate protocol contract to be more flexible and to define specific customisation points.

Note: This is a breaking change as it changes the contract of the ModelErrorsDelegate protocol.

Use spelling consistent with SmokeHTTP

Use spelling consistent with SmokeHTTP.

Initial release of ServiceModelSwiftCodeGenerate

Initial release of ServiceModelSwiftCodeGenerate.