Fixes #221
Merge pull request #227 from theponti/feature/add-category-directive-#221

Fixes #221
Merge branch 'development' into feature/category-directive
Add category directive to backpack form; working
Refactor backpack controller and view for working with category-directive
Fixes #221
Add additional parameters to categorySelect link function
Merge pull request #228 from theponti/feature/category-directive

Feature/category directive