Updated extend\gii for model and crud

Moved modelSearch function into model base class
- Modify gii model to:
— Create base and extends for Controller class structure
— Consolidate create, update and view into one form.php
— Change base Controller to call form.php where appropriate

— Updated basic menu structure in to be more logical
Added .htaccess and updated showScriptName = false
yii2 update
Changed menu / .htaccess
Upstream merge
Fixed params.php merge conflict