Adds "?" to property names, to make the generated code compatible with "strictPropertyInitialization" TS setting.
Adds "?" to property names, to make the generated code compatible with "strictPropertyInitialization" TS setting.

Also adds a call to super() when in active record mode, to make tslint play nice.

Kononnable/typeorm-model-generator,Kononnable/typeorm-model-generator