Moved mixins into mixin module w/ updated docs
Base model mixin class
Added mixins.sqla.model to aoi mixin auto doc
Added show-inheritance directive to all auto docs
Removed no longer required referneces in TemplateView
Updated TemplateView example code
Basic ListModelMixin class
Basic List Model View
Updated documentation
Model List view implementation
Merge branch 'feature/sqla-model-mixin' into develop